Siman. (2023). The Relationship between Interest in Learning and Mastery of PDTM Theory with Learning Outcomes of PDTM Class X Subjects of the Machining Engineering Expertise Program of SMK Negeri 1 Percut Seituan. International Journal of Economic, Technology and Social Sciences (Injects), 3(1), 276–283. https://doi.org/10.53695/injects.v3i1.808