Sari W, Abudarin A, Ni’mah F. Development of Interactive e-LKPD on Petroleum Material Based on SETS-PBL for Grade XI Senior High School Students. JIKT [Internet]. 2026Mar.27 [cited 2026Apr.9];17(01):50-7. Available from: https://chem-upr.education/ojs/index.php/JIKT/article/view/396