Sunardi, S., L. Mohamad Kamil Amali, B. R. Machmoed, J. Ilham, and H. Hasmah. “Project-Based Learning and Vocational Self-Concept As Predictors of Employability Skills Among Grade XII Vocational High School Students in Gorontalo”. Jurnal Pendidikan Terapan, vol. 4, no. 3, July 2026, pp. 218-29, doi:10.61255/jupiter.v4i3.1214.