Firdaus, H. ., S. D. . Anggrainy, and H. Abdillah. “Project Based Learning Model on Basic Competencies of Light Vehicle Front Suspension System Maintenance at SMK”. Jurnal Ilmiah Profesi Pendidikan, vol. 8, no. 4, Nov. 2023, pp. 2548-56, doi:10.29303/jipp.v8i4.1723.