Boonphikham, N., C. Singhakant, S. Kanchanasuta, W. Patthanaissaranukool, and T. 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, vol. 20, no. 5, July 2022, pp. 527-33, https://ph02.tci-thaijo.org/index.php/ennrj/article/view/247084.