- C. Iwuji, N. C. Cajetan, K. O. Ukaegbu, B. E. Diagi, C. C. Duru, M. K. Ugwuanyi, I. Ekevwe and C. Ulor (2022): Spatial Assessment of Temperature, Rainfall and Land Cover Change as Climate Change Monitoring Techniques in Okigwe and Its Environs. International Journal of Environment and Climate Change. Vol. 12, No. 11, pp: 3042-3055
Iwuji M. C., Okpara J. C, Ukaegbu K. O. E, Iwuji K. M, Uyo C. N, Onuegbu S. V, Acholonu, C.A. (2022): Impact of Deforestation on Rural Livelihood in Mbieri, Imo State Nigeria. International Journal of Geography and Regional Planning Research. Vol. 7, No. 2, pp: 1-13
Iwuji M. C., Igbanny J. U., Ukaegbu K. O. E., Ejiogu C. C., Iwuji K. M., Uyo C. N. (2022): Geo-Spatial Analysis of Noise Levels in a University Community. British Journal of Environmental Sciences. Vol. 10, No. 1, pp: 13-24
Asoegwu, C.R., Njoku, J.D., Iwuji, M.C., Uyo, C.N. & Babanlungu, Z.A. (2021): Edaphic Factors and Heavy Metals Concentration of Soils in Bonny and Nekede Dumpsite, Niger Delta Region, Nigeria: A Comparative Analysis. Journal of Research in Environmental and Earth Science, Vol. 7, Issue 11, pp: 10 – 18, ISSN (Online): 2348-2532
Uyo C. N, Njoku J.D, Iwuji M.C, Ihejirika C.E and Njoku-Tony R.F. (2021): Assessment of Air Quality in Livestock Farms and Abattoirs in Selected LGAs of Imo State. International Journal of Advanced Academic Research, ISSN: 2488-9849 Vol. 7, Issue 8, www.ijaar.org, DOI: 10.46654
Okorie, F.C., Njoku, J.D., Onweremadu, E.U. & Iwuji, M.C. (2020): Physico-Chemical Soil Properties and Their Correlations with Maize and Cassava Production in Ebonyi, Nigeria. American Journal of Climate Change, 2020, 9, pp. 34-51 DOI: 10.4236/ajcc.2020.91004
Ukaegbu, K.O.E., Njoku, J.D., Ejiogu C.C., Iwuji, M.C., Emereibole E.I., Mgbeahuruike L.U., Uyo C.N (2020): Spatiotemporal Assessment of Air Quality in Selected LGA in Rivers State. International Journal of Engineering Applied Sciences and Technology, Vol. 4, Issue 9, pp. 50-60, ISSN No. 2455-2143 http://www.ijeast.com
Okorie, F.C., Njoku, J.D., Onweremadu, E.U. & Iwuji, M.C. (2019): Climate Change and Food Crop Production in Imo State Nigeria: An Analysis of 30 Year Period. African Journal of Social and Behavioural Sciences (AJSBS) Volume 9, Number 2, pp. 321-342, ISSN: 2141-209X
Okorie, F.C., Njoku, J.D., Onweremadu, E.U. & Iwuji, M.C. (2019): Analysis of Physico-Chemical Properties of Soil in Relation to Arable Crop Production in Abia State, Nigeria. International Journal of Innovative Research and Development. Vol. 8, Issue 9, pp. 179-193, ISSN 2278-0211, DOI: 10.24940/ijird/2019/v8/19/SEP19033
Iwuji, M.C., Anyalewechi, G.M., Njoku, J.D., Iwuji, J.C., Ihejirika, C.E. & Ukaegbu, K.E. (2018): Assessment of Spatial Distribution of Groundwater Quality in Owerri Metropolis Using Geographic Information System. Multidisciplinary Journal of Research and Development Perspectives. Vol. 7, No. 1, pp. 176-185, ISSN: 2315-9936
- T. Amangabara, J. D. Njoku & M. C. Iwuji (2017): People’s perception of soil erosion and its impact in Imo State, Nigeria. International Journal of Research in Applied, Natural and Social Sciences. Vol. 5, Issue 12, Dec 2017, 77-88, ISSN (P): 2347-4580; ISSN (E): 2321-8851 www.impactjournals.us
- C. Iwuji, C. P. Iheanyichukwu, J. D. Njoku, F. I. Okpiliya, S. O. Anyanwu, G. T. Amangabara and K. O. E. Ukaegbu (2017): Assessment of Land Use Changes and Impacts of Dam Construction on the Mbaa River, Ikeduru, Nigeria. Journal of Geography, Environment and Earth Science International. Vol. 13, (1), pp. 1-10, ISSN: 2454-7352, DOI: 10.9734/JGEESI/2017/34984
- C. Iwuji, O. L. Iroh, J. D. Njoku, S. O. Anyanwu, G. T. Amangabara and K. O. E. Ukaegbu (2017): Vulnerability Assessment of Soil to Erosion Based on Topography and Vegetation Cover in a Developing City of Orlu L.G.A, Southeast Nigeria. Asian Journal of Environment and Ecology. Vol. 4 (4), pp. 1-10, ISSN: 2456-690x, DOI: 10.9734/AJEE/2017/34143
M.C. Iwuji, C.P. Ibe, J.D. Njoku, S.O. Anyanwu, G.T. Amangabara, N.Ac-Chukwuocha and K.O.E. Ukaegbu (2017): Analysis of Land use and land cover dynamics in Orlu, Nigeria. Asian Journal of Environment and Ecology. Vol. 4 (1), pp. 1-10, ISSN: 2456-690x, DOI: 10.9734/AJEE/2017/34144
K.O.E. Ukaegbu, M.C. Iwuji, C.C. Uche, I.E. Osumgborogwu and G.T. Amangabara (2017): Spatial Assessment of Temperature and land cover change as climate change monitoring strategies in Owerri, Nigeria. Journal of Geography, Environment and Earth Science International. Vol. 4, (1), pp. 1-9, ISSN: 2454-7352, DOI: 10.9734/JGEESI/2017/34568
Amangabara, GT; Njoku JD; Iwuji MC and Nlemedim, V.C. (2017): Assessment of the Suitability of some sites for aquaculture Development in the Onitsha Sub-basin, Anambra State, Nigeria using GIS methods. FUTO Journal Series, Vol. 3, Issue-1, pp. 114-130, e-ISSN: 2476-8456 p-ISSN : 2467-8325
Okpiliya, F.I., Abua, M.A. and Iwuji, M.C. (2016): Technological Imperatives in Forest Resource Conservation: A Panacea for National Development. Journal of Nigerian Environmental Society (JNES) Vol. 10, No. 2 pp.119-130, ISSN 1596-7751, www.jnes-nes.org
Njoku, J.D., Ukaegbu, K., Iwuji, M. and Nwuze, U. (2016): GIS-Based Mapping and Statistical Analysis of Atmospheric Pollution in Portharcourt, Southern Nigeria. International Astronautical Federation (IAF) IAC-16,E2,1,2,x31854
Njoku, J.D., Ukaegbu, K.O., Amangabara, G.T., Iwuji, M.C. and Anyanwu, J.C. (2015): Correlation of Impervious Surfaces and Ambient Temperature Variation in Owerri, Southeastern Nigeria. Journal of Renewable and Alternatve Energy Technologies (JRAET) Vol. 1 pp. 115-123
John D Njoku, Martin C Iwuji, Ikechukwu L. Osuocha and Franklin C. Okoro (2014): Effects of Oil Spillage on Surface Water Resources in Ohaji and Egbema Areas of Imo State, Southeastern Nigeria. Journal of Nigerian Environmental Society (JNES) Vol. 1 pp.88-96, ISSN 1596-7751 www.jnes-nes.org
Iwuji, M.C., Njoku, J.D., Anekwe, A.J., Uwazuruonye, J.U., and Amangabara, G.T. (2012): Analysis of Erosion Site Dynamics Using Geo-Spatial Data; A Case Study of Amucha in Njaba L.G.A., Imo State. Journal of Nigerian Environmental Society (JNES) Vol. 7 (3) pp.67-73, ISSN 1596-7751 www.jnes-nes.org
Ihejirika, C.E.,Njoku, J.D., Nwaogu,L.A., Obenade,M., Ebe,T.E., Ejiogu,C.C. and Iwuji, M.C. (2012): Effects of Meteorological Events on the Levels and Interactions of Chemical Indices of a polluted Freshwater System. International Journal of Environmental Science, Management and Engineering Research. Vol. 1(1), pp 31-37, Jan-Feb 2012. http://www.ijesmer.com
Amangabara, G.T., Njoku, J.D. and Iwuji, M.C. (2012): Comparative Analysis of Access to Water Supply in Three Communities in Rivers State. Journal of Nigerian Environmental Society (JNES) Vol. 7 (1) pp. 110 – 119. www.jnes-nes.org
Njoku, J.D., Nnaji, A.O. and Iwuji, M.C. (2011): Spatial Analysis of Soil Fertility using Geographical Information Systems Technology. African Research Review Journal, Vol.5 (4), ISSN 1994-9057(Print), ISSN 2070-0083(Online) Ethopia
Njoku, J.D., Iwuji. M.C., Nwoko, C. N.,Azuwuike, O.D. and Osuocha, I.L. (2010):Comparative Detection of Infrastructural Land Conversion Dynamics in Owerri Metropolis and Environs using Space Technology. The Nigerian Geographical Journal, Vol.6, (1&2), pp.98-103. Association of Nigerian Geographers. ISSN 1117-4447
Iwuji, M.C., J.D. Njoku and J.U. Uwazuruonye (2010): Degradation of the Tropical Rainforest in Akamkpa Local Government Area, Cross River State. Journal of Nigerian Environmental Society (JNES) Vol. 5 (4) pp. 55 – 65. www.jnes-nes.org
Njoku J.D., J.I. Soba., J.U. Uwazuruonye, T.E. Ebe., M.C. Iwuji and F.C. Okorie (2010): Terrain Modelling and Mapping for Storm Water Routing and Management in Owerri Metropolis. Journal of Nigerian Environmental Society (JNES) Vol. 5 (3) pp. 77 – 87. www.jnes-nes.org
Njoku, D.J., Okoli, C.G., Uzoije, A.P. and Iwuji, M.C. (2006): Assessment of Multi-Band Capabilities in the Detection of Built-Up Areas in Northwestern Nigeria. Journal of Applied Sciences 6(10): 2177-2184. Asian Network for Scientific Information. ISSN 1812-5654. India
Chapter in Book
Njoku J. D, A.I.Sampson, T.E. Ebe and M.C. Iwuji (2010): Comparative Quality Assessment of Rural Water Sources in Nkek Community of Ukanafun Local Government Area of Akwa Ibom State. In Uzo M. Igbozuruike et al. (eds), Rural Water Supply in Nigeria. pp. 130 – 135. Cape Publishers Int’l Ltd. Owerri. ISBN 978-978-53028-0-6.