Ratih Nadhira Pratiwi, Dian Ramawati, and Haryatiningsih Purwandari. “Case Study: Implementation of Effective Cough Techniques & Deep Breathing Relaxation Techniques in Patient An. A With Bronchial Asthma”. Journal of Bionursing 5, no. 3 (September 30, 2023): 362-366. Accessed July 3, 2024. http://bionursing.fikes.unsoed.ac.id/bion/index.php/bionursing/article/view/224.