Kurniawan, Sigit, and Firman Pribadi. “Analysis Unit Cost In Mild Head Injury Patient With Activity Based Costing Method At The Hopital In Yogyakarta”. Archives of Business Research 6, no. 1 (January 20, 2018): 105–116. Accessed July 22, 2024. https://journals.scholarpublishing.org/index.php/ABR/article/view/4079.