1.
Nasution N. Analysis of statistic health care as indicators of efficiency service in Semen Padang Hospital through Barber Johnson graph. Int J Community Med Public Health [Internet]. 2020 Jan. 28 [cited 2025 Oct. 25];7(2):427-30. Available from: https://www.ijcmph.com/index.php/ijcmph/article/view/5732