Pathanin Sangaroon และผู้แต่งคนอื่นๆ. (2019) Optimization Conditions for Increasing Cation Exchange Capacity of Coal Fly Ash Zeolite Modified with Chitosan Using Box-Behnken Design. <i>EnvironmentAsia</i>, <i>12</i>(2), 58-68.Pathanin Sangaroon และผู้แต่งคนอื่นๆ. "Optimization Conditions for Increasing Cation Exchange Capacity of Coal Fly Ash Zeolite Modified with Chitosan Using Box-Behnken Design". EnvironmentAsia 12 (2019):58-68.Pathanin Sangaroon และผู้แต่งคนอื่นๆ. Optimization Conditions for Increasing Cation Exchange Capacity of Coal Fly Ash Zeolite Modified with Chitosan Using Box-Behnken Design. Thai Society of Higher Education Institutes on Environment:ม.ป.ท. 2019.