Thuwakham, Nutwarin, Samuch Taweekasemsombut, and Sawitree Kathongthung. “The Quantity of Heavy Metals in Wastewater from Wire Electrical Discharge Machining”. KKU Science Journal 51, no. 1 (May 16, 2023): 57–68. Accessed May 18, 2024. https://ph01.tci-thaijo.org/index.php/KKUSciJ/article/view/251673.