SOIL – PLANT TRANSFER FACTOR OF Pb, Cd, Cu and Zn IN SPINACH, JUTE MALLOW AND TOMATO OF KADUNA METROPOLITAN FARMS. CJPAS [Internet]. 2018 Nov. 23 [cited 2025 May 22];1(2):10-6. Available from: https://cjpas.org.ng/index.php/pub/article/view/3