Belgibayeva, Z., M. Nadyrov, S., Zhanguttina, G., Belgibayev, A., & Belgibayev, A. (2020). TOURIST FLOWS OF KAZAKHSTAN: STATISTICS, GEOGRAPHY, TRENDS. «Вестник НАН РК», (6), 232–239. извлечено от http://89.250.84.46/bulletin-science/article/view/959