Utilization of Bladeless Air Purifier as Primary Solution for Purification of Polluted Classrooms of Grade 12 Accountancy, Business, and Management Strand Students in Bestlink College of the Philippines. AASgBCPJMRA. 2020;2(1). Accessed December 10, 2025. https://ojs.aaresearchindex.com/index.php/aasgbcpjmra/article/view/2546