Sombatphutthakun A, Sinpiang S, Janta S. The Adsorption of Methylene Blue Dye Using Pineapple Peel Waste. PKRU SciTech J. [internet]. 2025 Mar. 27 [cited 2026 Sep. 11];9(1):1-12. available from: https://ph01.tci-thaijo.org/index.php/pkruscitech/article/view/257673