Anjani, N.D., Sulianto, J. and Untari, M.F.A. 2021. Peningkatan Hasil Belajar Materi Pecahan dengan Menerapkan Model Problem Based Learning dengan Media Manipulatif. Journal of Education Action Research. 5, 2 (Mar. 2021), 246–253. DOI:https://doi.org/10.23887/jear.v5i2.33136.