KYDYROVA, A. .; ZANDYBAY, A. .; ONAY, T. T. .; NURIYA, A. .; ASSYLTAS, S. . Regional variations and geostatistical mapping of soil contamination by heavy metals in Astana city. International Journal of Innovative Research and Scientific Studies, [S. l.], v. 8, n. 6, p. 209–222, 2025. DOI: 10.53894/ijirss.v8i6.9527. Disponível em: http://www.ijirss.com/index.php/ijirss/article/view/9527. Acesso em: 9 dec. 2025.