Wahyuningtyas, Rizki, and Firosalia Kristin. 2021. “Meta Analisis Penerapan Model Pembelajaran Problem Based Learning Dalam Meningkatkan Motivasi Belajar”. MIMBAR PGSD Undiksha 9 (1):49-55. https://doi.org/10.23887/jjpgsd.v9i1.32676.