Apoteker, F.A. 2020. Comparison of changes FEV1 in Bronchodilator and Corticosteroid Combinations for Patients Chronic Obstructive Pulmonary Disease Stable in Balai Besar Kesehatan Paru Masyarakat (BBKPM) Hospital Surakarta. Jurnal Inovasi Farmasi Indonesia (JAFI). 2, 1 (Dec. 2020), 28–35. DOI:https://doi.org/10.30737/jafi.v2i1.923.