BAUNSELE, Anselmus Boy; MISSA, Hildegardis -. Langmuir and Freundlich Equation Test on Methylene Blue Adsorption by Using Coconut Fiber Biosorbent. Walisongo Journal of Chemistry, [S. l.], v. 4, n. 2, p. 131–138, 2021. DOI: 10.21580/wjc.v4i2.8941. Disponível em: https://journal.walisongo.ac.id/index.php/wjc/article/view/8941. Acesso em: 7 nov. 2025.