M. L. Panarina, “‘MYSTERY SHOPPING’ OF THE STATE SERVICES: THE METHOD’S APPLICATION PROBLEMS AND WAYS TO RESOLVE THEM”, Sociology of Power, vol. 21, no. 5, pp. 161–170, Sep. 2009, Accessed: Nov. 08, 2026. [Online]. Available: https://sociology-vlasti.owebs.ru/article/view/6954