Teeratitayangkul, Pimpawat, Supakan Thamtuan, Maliwan Phuangmanee, Trinnawat Suwanprik, and Nuttavikhom Phanthuwongpakdee. “Performance of vetiver grass and aeration on chemical oxygen demand, total nitrogen, and total phosphorus removal from surface water of the Chiang Mai moat”. Science, Engineering and Health Studies 19 (December 22, 2025): 25030006. accessed August 27, 2026. https://li01.tci-thaijo.org/index.php/sehs/article/view/259753.