Wantrilita, A., & Rohaeti, E. (2025). The Effect of PBL-STEM on Improving problem Problem-solving Ability and Self-efficacy of Vocational High School Students. Jurnal Pendidikan Matematika Dan Sains, 13(Special_issue), 226–236. https://doi.org/10.21831/jpms.v13iSpecial_issue.89341