Abdurachman E, Eni Y, Furinto A, Warganegara D, Gautama So I. Hospital Efficiency in Indonesia with Frontier Analysis. KSS [Internet]. 2019 Aug. 18 [cited 2025 Jul. 16];3(22):167–175. Available from: https://knepublishing.com/index.php/KnE-Social/article/view/5049