Sitompul, Pompini Agustina, Roza Indriani, and Vivi Setiawaty. “Length of Stay of Pneumonia Patients Associated With Comorbid and Complications Factors in Referral National Infectious Diseases Hospital”. Tanzania Journal of Health Research 24, no. 1 (January 1, 2023): 1–5. Accessed December 19, 2024. https://www.ajol.info/index.php/thrb/article/view/224713.