ฟักแก้ว นริฏา. “Generation of Volatile Organic Compounds (VOCs), Oxides of Nitrogen (NOx), and Ozone (O3) during Smog Case Study: Chiang Rai Province”. Journal of the Association of Researchers 24, no. 3 (March 28, 2020): 31–40. accessed September 11, 2026. https://so04.tci-thaijo.org/index.php/jar/article/view/240738.