PRAMESTI, Indah Nur; IQBAL, Muhammad Arga; RETNOSARI, Rini; OCTAVIANA, Laurent. Ultrasonic-Assisted Synthesis of Methyl Ester Sulfonate (MES) from Coconut Oil via Transesterification and Sulfonation Using Eggshell-Derived CaO Catalyst . Al-Kimia, [S. l.], v. 14, n. 1, 2026. DOI: 10.24252/al-kimia.v14i1.62602. Disponível em: https://journal.uin-alauddin.ac.id/index.php/al-kimia/article/view/62602. Acesso em: 2 oct. 2026.