Тургинбаева A., Г. Жакупбекова, and Г. Мусиров. “About the Need to Use Key Performance Indicators (KPI) of Projects in the Hotel Business”. Journal of Economic Research & Business Administration 128, no. 2 (June 25, 2019): 218–229. Accessed November 13, 2024. https://be.kaznu.kz/index.php/math/article/view/2100.