Ximenes, E.N., Suarjana, I.M. dan Wirabrata, D.G.F. 2023. Peer-Tutor Assisted Problem-Based Learning Model on Mathematics Critical Thinking. MIMBAR PGSD Undiksha. 11, 2 (Agu 2023), 315–323. DOI:https://doi.org/10.23887/jjpgsd.v11i2.61390.