Yessim , A. K., D. D. Yessimova, and N. V. Bitter. “MEDICAL ASPECTS OF THE DEVELOPMENT OF HEALTH TOURISM IN THE REPUBLIC OF KAZAKHSTAN”. Siberian Journal of Tourism and Economic, Vol. 1, no. 13, Dec. 2021, pp. 37-50, https://journal.asu.ru/st/article/view/10850.