Sahwan, Febriyanti, et al. “Design of a Tracer and Standard Operating Procedure (SOP) for Its Use in Medical Record File Storage”. International Journal of Multidisciplinary Learners, vol. 2, no. 1, Oct. 2025, pp. 30-37, https://ejournal.poltekbaubau.ac.id/index.php/ijml/article/view/1927.