Perdana, Putra, Fiki Efendi, Budi Syahri, and Febri Prasetya. 2025. “The Effectiveness of the Use of Project Based Learning Models on Student Learning Outcomes in Fracturing Engineering Subjects at SMK Negeri 1 Tanjung Raya”. Jurnal Vokasi Mekanika 7 (2), 207-14. https://doi.org/10.24036/vomek.v7i2.850.