“ECONOMIC IMPACT OF AIR POLLUTION PM2.5 ON RESPIRATORY ILLNESS: A CASE STUDY OF ABBOTTABAD”. International Journal of Social Sciences Bulletin 4, no. 5 (May 30, 2026): 1198–1212. Accessed October 24, 2026. https://ijssbulletin.com/index.php/IJSSB/article/view/2360.