Kydyrova, A. ., Zandybay, A. ., Onay, T. T. ., Nuriya, A. . and Assyltas, S. . (2025) “Regional variations and geostatistical mapping of soil contamination by heavy metals in Astana city”, International Journal of Innovative Research and Scientific Studies, 8(6), pp. 209–222. doi: 10.53894/ijirss.v8i6.9527.