"PRELIMINARY TOXICITY EVALUATION OF SOIL CONTAMINATED WITH PETROLEUM DERIVATIVES ON SOME CROP PLANTS" (2017) FULafia Journal of Science and Technology, 3(1), ص 59–63. موجود في: https://lafiascijournals.org.ng/index.php/fjst/article/view/96 (تاريخ الوصول: 17 مايو 2026).