Hidayatulloh, N. (2015) “ACUTE EXACERBATIONS ON CHRONIC OSTRUCTIVE PULMONARY DISEASE (COPD) WITH SECONDARY INFECTION”, Jurnal Kesehatan dan Agromedicine, 2(1), pp. 57–62. Available at: https://juke.kedokteran.unila.ac.id/index.php/agro/article/view/1277 (Accessed: 14October2025).