NISA, V.-U.-., AHMED, R. and MUHAMMAD, M. (1994) “?DETERMINATION OF HEAVY AND TOXIC METALS Zn, Cd, Pb AND Cu IN VEGETABLES BY VOLTAMETRY”, Biological Sciences - PJSIR, 37(1-2), pp. 33–36. Available at: https://v2.pjsir.org/index.php/biological-sciences/article/view/2565 (Accessed: 16 May 2024).