Items where Author is "Ukpong, I. M."

Donatus, E. O. Azu, and Osodeke, V. E. and Ukpong, I. M. and Osisi, A. F. (2018) Chemistry and Mineralogy of Soils Derived from Different Parent Materials in Southeastern Nigeria. International Journal of Plant & Soil Science, 25 (3). pp. 1-16. ISSN 23207035