Yeleupaeva S, Zhumagalieva Z, Korchyn V. The rates of communal hygiene in some regions of Karaganda and positive and negative directions of them to human body . FEB [Internet]. 2018 Jun. 30 [cited 2025 Dec. 1];90(2):128-32. Available from: https://feb.buketov.edu.kz/bmg-vestnik/article/view/292