Sawasdee, Suchada, Hathairat Chankerd, Wiroon Pannasri, and Prachart Watcharabundit. 2018. “The COD Removal in Chemical Laboratory Wastewater by Using Sugarcane Bagasse-Activated Carbon”. RMUTSB ACADEMIC JOURNAL 6 (1). Phra Nakorn Sri Ayutthaya:55-64. https://li01.tci-thaijo.org/index.php/rmutsb-sci/article/view/124253.