SATHISH, K., B. ARCHANA, B.SURESH RAM, P. VARSHINI, and S.BHARATH CHANDRA. “AUTOMATIC AIR PURIFIER”. The journal of contemporary issues in business and government 28, no. 4 (December 31, 2022): 2254–2259. Accessed November 24, 2024. https://cibgp.com/au/index.php/1323-6903/article/view/2766.