Sitti Muthiah, Aco Tang, Alfi Syahar, Ita Rini, and Djohan Aras. “Effect of Breathing Exercise and Super Inductive System on Changes in Vital Capacity in Post-COVID 19 Patients”. International Journal of Sciences: Basic and Applied Research (IJSBAR) 79, no. 1 (February 7, 2026): 28–36. Accessed February 10, 2026. https://www.gssrr.org/JournalOfBasicAndApplied/article/view/17708.