Tashenova, L.V., and D.G. Mamrayeva. “Conceptual Approaches to the Essence and Typology of Business Models in Tourism”. BUKETOV BUSINESS REVIEW 103, no. 3 (September 30, 2021): 113–124. Accessed December 6, 2025. https://bbr.buketov.edu.kz/economy-vestnik/article/view/431.