Yeshenkulova, G.I., A.G. Gizzatzhanova, A.K. Kussainova, and Raiymbekova А.Т. 2017. “Place of Border Cluster and Ways of Implementation in Classification of East Kazakhstan Region Tourist Cluster ”. BUKETOV BUSINESS REVIEW 87 (3):55-63. https://bbr.buketov.edu.kz/economy-vestnik/article/view/174.