“Comprehensive Assessment of Groundwater Quality in the Winter Season in Rural Areas of the Karaganda Region in the Vicinity of the Nura River”. ҚазҰУ хабаршысы. Экология сериясы 68, no. 3 (September 22, 2021): 10–16. Accessed July 19, 2026. https://bulletin-ecology.kaznu.kz/index.php/1-eco/article/view/1182.