«Amangeldin M., Kenzhebayeva S., Bikebayeva A., Maidanova B. Structure analysis of the worldwide pharmaceutical market and prospects for its development in Kazakhstan: Al-Farabi Kazakh National University, Kazakhstan, Almaty; 2 - Xinjiang institute of medicine, China, Urumqi». Eurasian Journal of Ecology 53, no. 4 (апрель 28, 2018): 14–22. просмотрено сентябрь 4, 2026. https://bulletin-ecology.kaznu.kz/index.php/1-eco/article/view/790.