“Mathematical Modeling of the Epidemic Propagation With Limited Time Spent in Compartments Taking and Vaccination”. ҚазҰУ Хабаршысы. Математика, механика, информатика сериясы 116, no. 4 (December 20, 2022). Accessed July 15, 2026. https://bm.kaznu.kz/index.php/kaznu/article/view/1189.