Nwachukwu, O. I., Olim, D. M., Afu, S. M., Akpa, E. A. and Adie, P. I. (2021) “Comparative effect of Organic Amendments on Heavy Metals Adsorption in Soils and their Chemical properties”, Asian Journal of Applied Sciences, 9(1). doi: 10.24203/ajas.v9i1.6558.