Widyowati, S. S., and I. Irdawati. “Application of Balloon Blowing Therapy With Pursed Lip Breathing Technique to Improve Oxygen Saturation in Children”. Indonesian Journal of Global Health Research, Vol. 7, no. 5, Oct. 2025, pp. 49-56, doi:10.37287/ijghr.v7i5.6506.