Okoroafor, Precious Uchenna Okoroafor Precious Uchenna GEOCHEMICAL SOIL MAPPING, PHYTOEXTRACTION OF CRITICAL ELEMENTS AND ENERGY PLANT PRODUCTION IN THE POST MINING AREA OF FREIBERG / Precious Uchenna Okoroafor // Applied Biotechnology in Mining : Proceedings of the International Conference (Dnipro, April 25-27, 2018). – Dnipro : National Technical University "Dnipro Polytechnic", 2018. – Pp. 51..
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2018