RAKSAWONG, S. (2020) “Study in Removal of Hardness Groundwater by Electrocoagulation Using Aluminum Plates as Electrodes”, Science Technology and Innovation Journal, 1(4), pp. 8–15. Available at: https://li01.tci-thaijo.org/index.php/stij/article/view/241664 (Accessed: 30 May 2024).