et. al, Bardhyl Limani. “Assessment of Heavy Metals Concentrations in Cow’s Milk Collected from Polog Region, Republic North Macedonia”. International Journal of Advanced Science and Technology 29, no. 2 (January 13, 2020): 1815 - 1821. Accessed April 19, 2024. http://sersc.org/journals/index.php/IJAST/article/view/3432.