Agnia F, Syahidin Y, Elvira S. DESIGN OF PATIENT MEDICAL RECORD FILE TRACER INFORMATION SYSTEM WITH WATERFALL METHOD. J. Tek. Inform. (JUTIF) [Internet]. 2024 Jul. 29 [cited 2025 Apr. 26];5(4):43-50. Available from: https://jutif.if.unsoed.ac.id/index.php/jurnal/article/view/2020