Nugroho, Irmawan Andri, Tintin Sukartini, and S Sriyono. “Low Impact Aerobic Exercise Dapat Menurunkan Keluhan Gejala Pasien Penyakit Paru Obstruktif Kronik”. Prosiding University Research Colloquium (February 21, 2018): 329–335. Accessed May 7, 2024. https://repository.urecol.org/index.php/proceeding/article/view/180.