1.
Kusnanto K, Makhfudli M. Satria Nusantara Breathing Exercise Improves the Senior Citizens’ Level of Fitness. J. Ners [Internet]. 2017 Jul. 23 [cited 2024 Oct. 20];4(2):190-6. Available from: https://e-journal.unair.ac.id/JNERS/article/view/5033