Watulingas CME, Inggawati VR. Persepsi Karyawan Front Office Department Hotel Terhadap Budaya Tipping. Improvement. [Internet]. 30 September 2021 [dikutip 30 September 2026];1(2):100-8. Tersedia pada: https://journal.um-surabaya.ac.id/improvement/article/view/9748