by Ndukwe, N A, Idika, D I, Okiei, W O
Published in IOP conference series. Earth and environmental science (01.03.2024)

by Akintoye, A, Ibrahim, G, Okpei, W
Published in Proceedings of the Nigerian Academy of Science (31.12.2020)

by Ndukwe, N A, Okiei, W O, Alo, B I
Published in African journal of agricultural research (23.10.2012)

by Ndukwe, N A, Okiei, W O, Alo, B I, van Wyk, J P H, Mamabolo, T M, Igwe, C C
Published in Scientific research and essays (04.04.2013)