KUSNANTO, K.; MAKHFUDLI, M. Satria Nusantara Breathing Exercise Improves the Senior Citizens’ Level of Fitness. Jurnal Ners, [S. l.], v. 4, n. 2, p. 190–196, 2017. DOI: 10.20473/jn.v4i2.5033. Disponível em: https://e-journal.unair.ac.id/JNERS/article/view/5033. Acesso em: 27 sep. 2024.