[1]
C. H. Siburian, E. N. V. Naibaho, and N. Y. Silaban, “Relationship Of Sleep Quality With Fatigue In Chronic Obstructive Pulmonary Disease (COPD) Patients At Rantauprapat Regional General Hospital”, JUK-Medifa, vol. 1, no. 02, pp. 127–133, Mar. 2023.