Fahrul Rozi, Sihombing, H., Abdul Hamid K, Panjaitan, K., & Harefa, K. (2022). Development Of Project Based Learning-Based Video Tutorials in Vocation High School. International Journal of Economic, Technology and Social Sciences (Injects), 3(1), 259–262. https://doi.org/10.53695/injects.v3i1.779