Halim, A. A., and S. Suryani. “Case Study: Chest Physiotherapy As a Nursing Intervention in a 20- Month-Old Toddler With Pneumonia in Padukuhan Bendungan Yogyakarta”. Proceeding International Conference on Health Science and Technology, vol. 1, Nov. 2025, pp. 189-92, https://proceeding.unisayogya.ac.id/index.php/proichst/article/view/1842.