Hasrul, M. A. M. Salim, U. Hambali, and F. Saputri. “Enhancing Service Encounter Proficiency through Structured Input and Output in Tourism Education”. Journal La Edusci, Vol. 7, no. 1, Feb. 2026, pp. 74-89, https://newinera.com/index.php/JournalLaEdusci/article/view/5003.