Bekele, Samuel, Solomon Sorsa, Gunnhild Riise, Daniel Fitamo, and Zinabu Gebremariam. 2021. “Analysis of Heavy Metals in Cow Milk from the Vicinity of Hawassa Industrial Zone Reveals Potential Risks in Human Health”. Ethiopian Journal of Applied Science and Technology 12 (2), 1 - 10. https://journals.ju.edu.et/index.php/ejast/article/view/3768.