Muhtar Risky Ega Virdaus, Prasiwi Citra Resmi, and Suci Purwandari, “Professionalism Through Role Clarity: Analysis of Bellboy Job Description Implementation at the Alana Hotel & Convention Center Solo”, JURAGAN, vol. 3, no. 1 (Spesial Issue), pp. 2609–2619, Feb. 2026, doi: 10.62710/mwngej59.