“DETERMINING THE COST OF HOTEL ROOMS USING THE ACTIVITY BASED COSTING METHOD AT GUARDIAN FAMILY HOTEL SORONG”. SOSCIED 4, no. 1 (July 22, 2021): 29–38. Accessed April 15, 2026. http://jurnal.poltekstpaul.ac.id/index.php/jsoscied/article/view/368.