Boonphikham, Natlada, Chatchawal Singhakant, Suwimon Kanchanasuta, Withida Patthanaissaranukool, and Tawach Prechthai. “Indoor Air Quality in Public Health Centers: A Case Study of Public Health Centers Located on Main and Secondary Roadsides, Bangkok: 10.32526/ennrj/20/202200078”. Environment and Natural Resources Journal 20, no. 5 (July 12, 2022): 527–533. accessed December 8, 2025. https://ph02.tci-thaijo.org/index.php/ennrj/article/view/247084.