Smagulova Э.; Mahauova Э. Ways to improve the quality of drinking water Akmola region and measures for its improvement. Рroblems of engineering and professional education, [S. l.], v. 42, n. 3, p. 21–28, 2023. DOI: 10.32523/2220-685X-2017-42-3-21-28. Disponível em: https://bulprengpe.enu.kz/index.php/main/article/view/350. Acesso em: 5 may. 2024.