Hikmawati DI, Haqiqi ER. Surface Chemical Structure and Morphological Analysis of Fallen Teak Leaves (Tectona grandis) Powder for Methylene Blue Adsorption. CHEESA [Internet]. 2019 Jun. 29 [cited 2025 Mar. 12];2(1):42-9. Available from: https://e-journal.unipma.ac.id/index.php/cheesa/article/view/4334