MANAGEMENT ISSUES IN SERVICE SECTOR. Proceedings of the YSU C: Geological and Geographical Sciences, Yerevan, Armenia, v. 58, n. 3 (264), p. 267–274, 2024. DOI: 10.46991/PYSUC.2024.58.3.267. Disponível em: https://journals.ysu.am/index.php/proceedings-geol-geogr/article/view/vol58_no3_2024_pp267-274. Acesso em: 22 jan. 2026.