SPECTROPHOTOMETRIC ANALYSIS OF Pb, Cd, Cu, Fe AND ZnAMOUNTS IN MILK AND MILK PRODUCTS. Universal International Scientific Journal, [S. l.], v. 3, n. 3.1, p. 675–678, 2026. Disponível em: https://universaljournal.uz/index.php/uxij/article/view/284. Acesso em: 4 jun. 2026.