Anwar K, Kurniawan A, Purnawan P, Ananta R. Examining the effect of PBL in improving the students’ learning outcomes: A case in a private vocational school. Int. J. Educ. Insight [Internet]. 2025Oct.29 [cited 2026Feb.19];6(2):121-32. Available from: http://journal2.uad.ac.id/index.php/ijei/article/view/14842