M, INDUMATHY., PRADEEP KUMAR. R, and I. MEIGNANA ARUMUGAM. 2020. “Knowledge and Awareness of Thirdhand Smoke Among Smokers and Non-Smokers - A Comparative Cross-Sectional Study”. The Journal of Contemporary Issues in Business and Government 26 (2):2083-93. https://cibgp.com/au/index.php/1323-6903/article/view/478.