Udayani, W., Amin, M. and M, M. (2019) “The Effect of Combination of Buteyko Breathing Technique and Walking Exercise on Forced Peak Expiratory Flow In Adult Asthmatic Patients”, Jurnal Keperawatan Padjadjaran, 7(2), pp. 190–199. doi: 10.24198/jkp.v7i2.1193.