ROCHMAH, T.N, A.E SUTIKNO, M. DAHLUI, y M.B QOMARUDDIN. «Cost Variance of Health Services at PHC Hospital, Surabaya, Indonesia: Operational Audit». Utopía y Praxis Latinoamericana 25, no. 1 (mayo 17, 2020): 13-23. Accedido enero 27, 2022. https://www.produccioncientificaluz.org/index.php/utopia/article/view/32079.