Dejsuwannachai, Rinrada. 2022. “Knowledge, Attitude and Preventive Behavior Toward COVID-19 Among Grade 10-12 Students in Bangkok”. INSTITUTE FOR URBAN DISEASE CONTROL AND PREVENTION JOURNAL 6 (2). Bangkok, Thailand:1-15. https://he01.tci-thaijo.org/index.php/iudcJ/article/view/250811.