“IMPORTANCE OF CATERING ENTERPRISES’ CLASSIFICATION IN SERVICE QUALITY ASSESSMENT FROM THE CUSTOMER’S POINT OF VIEW. CASE OF REZEKNE CITY”. ENVIRONMENT. TECHNOLOGY. RESOURCES. Proceedings of the International Scientific and Practical Conference 1 (June 20, 2019): 262–266. Accessed March 11, 2026. https://archive-journals.rtu.lv/etr/article/view/4243.