Retnaningtiyas, A. and Sanoto, H. 2024. Upaya Meningkatkan Hasil Belajar Matematika melalui Model Pembelajaran Problem Based Learning Berbantuan Media Powerpoint Interaktif. Journal of Education Action Research. 8, 2 (Jul. 2024), 359–366. DOI:https://doi.org/10.23887/jear.v8i2.78463.