Mirjafarova A. J (2024) “The ‘Mystery Shopper’ Research Method for Evaluating the Work of the Hotel Staff”, EUROPEAN JOURNAL OF BUSINESS STARTUPS AND OPEN SOCIETY, 4(12), pp. 134–136. Available at: https://inovatus.es/index.php/ejbsos/article/view/4765 (Accessed: 18 December 2024).