tongchai, thitiporn, Boontor, P., Kalyanamitra, S., Jaikwang, P., Wadsuntud, K., Chaiyakun, T., & Suetrong, C. (2026). IoT-Based Air Quality Monitoring and Surveillance System. SciTech Research Journal, 9(2), 61–78. retrieved from https://ph02.tci-thaijo.org/index.php/jstrmu/article/view/264009