Phowan, Naphat. “A Study on Adsorption Efficiency of Methylene Blue Dye Using Adsorbent Material Prepared from Water Hyacinth”. Srinakharinwirot University Engineering Journal 15, no. 2 (June 1, 2020): 58–70. Accessed December 5, 2024. https://ph02.tci-thaijo.org/index.php/sej/article/view/240021.