Maysaroh, Novia, Tjandra Wasesa, Diana Zuhro, Sutini Sutini, Annisa Rachmawati, and Achmad Daeng GS. 2026. “ACTIVITY BASED COSTING METHOD IN DETERMINING ROOM SERVICE COSTS. (Study Kasus at Hotel Wilis Indah Abadi In Nganjuk)”. Journal of Managerial Sciences and Studies 4 (2):1423-39. https://doi.org/10.61160/jomss.v4i2.132.