M. G. K, A. M. A. IMPACT OF SENNA OBTUSFOLIA ON THE PHYTOREMEDIATION OF HEAVY METALS FROM CONTAMINATED SOILS OBTAINED BESIDE FEDERAL COLLAGE OF EDUCATION KATSINA, NIGERIA. UMYU-UJPICR [Internet]. 2022 Jun. 30 [cited 2025 Apr. 26];2(1):114-25. Available from: https://ujpicr.umyu.edu.ng/index.php/ujpicr/article/view/17