Wan Puteh, Sharifa Ezat. “The Effects of Hospital Based Respiratory Physiotherapy an Intervention Study Among COPD Patient in Al-Zawia City, Libya”. International Journal of Public Health Research 2, no. 1 (March 1, 2012): 65–74. Accessed May 2, 2024. https://spaj.ukm.my/ijphr/index.php/ijphr/article/view/125.