คล้ายคลึง ธงชัย. “Ozone Generated Apparatus Using Corona Discharge Method for Water Treatment”. Research on Modern science and Utilizing Technological Innovation Journal (RMUTI Journal) 1, no. 2 (February 2, 2026): 3–14. accessed September 24, 2026. https://ph01.tci-thaijo.org/index.php/rmutijo/article/view/15856.