Faurat, A.A., G.S. Azhaev, Sh.K. Kakezhanova, and M.T. Dossova. “Heavy Metals Contamination in Snow Cover of Pavlodar (Kazakhstan)”. Fundamental and Experimental Biology 11429, no. 2 (June 29, 2024): 164–178. Accessed December 19, 2025. https://feb.buketov.edu.kz/bmg-vestnik/article/view/746.