Ariyanti M. Perbandingan keefektifan model project-based learning dan problem-based learning ditinjau dari ketercapaian tujuan pembelajaran. JPMS [Internet]. 2017 Jun. 14 [cited 2025 Jun. 16];5(1):1-10. Available from: https://journal.uny.ac.id/index.php/jpms/article/view/13469