Ali, Mohammad, Andy Hariandja, and Rizki Kurniawan. “Pengaruh Pemberian Respiratory Muscle Training Terhadap Penurunan Dyspnea Pada Pasien PPOK: Studi Literatur”. Jurnal Fisioterapi dan Kesehatan Indonesia 1, no. 2 (November 10, 2021): 122-131. Accessed June 8, 2026. https://www.physiohealthjournal.org/jfki/article/view/61.