CHUKWUEMEKA C. CHUKWUMA; CHIGOZIE L. ONUAH; KELECHI T. NWAUCHE; ROBINSON OHANADOR; CHARLES N. CHUKWU; EFFIONG ENOBONG. Periodic Effects of Crude Oil Pollution on Some Nutrient Elements of Soils Treated Over a 90 Day Period Using Schwenkia Americana L. and Spermacoce ocymoides Burm. f. International Journal of Advances in Scientific Research and Engineering (IJASRE), ISSN:2454-8006, DOI: 10.31695/IJASRE, [S. l.], v. 4, n. 12, p. 7–15, 2018. DOI: 10.31695/IJASRE.2018.32990. Disponível em: https://ijasre.net/index.php/ijasre/article/view/796. Acesso em: 23 apr. 2024.