Tanesab, D. P. Y., D. Manesi, D. M. Mukti, and F. Fahrizal. “The Effect of Problem-Based Learning on Students’ Cognitive Ability in Vocational Fuel System Learning”. Nusantara: Jurnal Pendidikan Indonesia, vol. 6, no. 3, July 2026, pp. 591-0, doi:10.62491/njpi.2026.v6i3-3.