J. Junaidin, Y. Syam, and A. M. Irwan, “PENGARUH PURSED LIP BREATHING DAN MENIUP BALON TERHADAP KEKUATAN OTOT PERNAPASAN, SATURASI OKSIGEN DAN RESPIRATORY RATE PADA PASIEN PPOK: The Effect Of Pursed Lip Breathing And Balloon Blowing On The Strength Of Respiratory Muscle, Oxygen Saturation And Respiratory Rate In COPD Patients”, Jikep, vol. 5, no. 1, pp. 31-39, Mar. 2019.