Bhavana, R, R Suchithra, Manupati Thejaswini, Gundlapalli Harish Kumar, and Dev Apoorva. “A Study on Effectiveness and Progress Outcomes of Educational Inhaler Technique Intervention in Asthma and COPD Patients”. Journal of Drug Delivery and Therapeutics 9, no. 2 (March 15, 2019): 170–179. Accessed August 30, 2026. https://www.jddtonline.info/index.php/jddt/article/view/2394.