Hasni, D. (2020) “Relationship between Smoking and Quality Of Life on Patient’s with Chronic Obstructive Pulmonary Disease In Dr.Reksodiwiryo Padang Hospital”, Qanun Medika - Medical Journal Faculty of Medicine Muhammadiyah Surabaya, 4(1), pp. 35–42. doi: 10.30651/jqm.v4i1.3397.