Fasitasari, Minidian. “Nutrition Therapy in Elderly With Chronic Obstructive Pulmonary Disease (COPD)”. Sains Medika: Jurnal Kedokteran dan Kesehatan 5, no. 1 (June 7, 2013): 50–61. Accessed October 29, 2026. https://jurnal.unissula.ac.id/index.php/sainsmedika/article/view/366.