Phihusut, D., & Chantharat, M. (2017). Removal of Methylene Blue Using Agricultural Waste: A Case Study of Rice Husk and Rice Husk Ash from Chaipattana Rice Mill Demonstration Center. Environment and Natural Resources Journal, 15(2), 30–38. Retrieved from https://ph02.tci-thaijo.org/index.php/ennrj/article/view/89349