Kurniawan S, Pribadi F. Analysis Unit Cost In Mild Head Injury Patient With Activity Based Costing Method At The Hopital In Yogyakarta. ABR [Internet]. 2018 Jan. 20 [cited 2026 Apr. 22];6(1):105-16. Available from: https://journals.scholarpublishing.org/index.php/ABR/article/view/4079