Gunawan WB. Cash optimization with cash management model approach: The case of PT Pertamina Gas (Pertagas). J. Ek. Perush. [Internet]. 2026 Mar. 11 [cited 2026 Apr. 30];32(2):103-19. Available from: https://jurnal.kwikkiangie.ac.id/index.php/JEP/article/view/1629