Tapo, Atita, Pornapa Sujaridworakun, Wasana Khongwong, Piyalak Ngernchuklin, and Chumphol Busabok. 2022. “Influence of Air and Nitrogen Atmosphere on g-C3N4 Synthesized from Urea”. Thai Journal of Nanoscience and Nanotechnology 7 (1). Bangkok, Thailand:1-11. https://ph05.tci-thaijo.org/index.php/TJNN/article/view/77.