Hasibuan, A.S., Dewi, R. and Damanik, H. 2023. Description Of Sleep Quality In Patients With Chronic Obstructive Pulmonary Disease At Imelda Pekerja Indonesia General Hospital Medan. Jurnal Kesehatan, Rekam Medis dan Farmasi (JUK-Medifa). 1, 02 (Mar. 2023), 83–90.