Gulim Tursyngaliyeva, Kakim Sagindykov, Assem Konyrkhanova, Rozamgul Niyazova, Ainur Sydykova. 2020. “Mathematical Model of Ethnic Communities Of Kazakhstan”. International Journal of Advanced Science and Technology 29 (08), 2901 -10. https://sersc.org/journals/index.php/IJAST/article/view/24773.