Asan Zheldibayev, Yerkin Nessipbekov, Almaz Belgibayev, Zhanat Belgibayeva, Gulmira Appakova. THE ROLE OF MARKETING RESEARCH IN IMPROVING THE EFFICIENCY OF HOTEL ENTERPRISES IN KAZAKHSTAN. Academic Journal of Physical and Chemical Sciences [Интернет]. 7 апрель 2020 г. [цитируется по 5 декабрь 2025 г.];(2):139-44. доступно на: https://journals.nauka-nanrk.kz/reports-science/article/view/804