Sintarako, Pawinee, Piyasan Praserthdam, Vivan Tammongkol, Banpot Pokacharoenwatjana, Watchara Yuanglamyai, dan Chattrapha Inthiwong. “Role of Citric Acid Modification on Hydrodesulfurization of DBT and 4,6 DMDBT in the Presence of Pyridine Over CoMo/Al2O3” 15, no. 1 (Juni 30, 2015): 62-71. Diakses Juni 8, 2025. https://jurnal.ugm.ac.id/v3/AJChE/article/view/8870.