Hanifah, N., Koeswanti, H.D. and Sadono, T. 2021. Penerapan Model Project Based Learning guna Meningkatkan Keterampilan Representasi Matematis Peserta Didik Kelas IV. Jurnal Ilmiah Profesi Pendidikan. 6, 1 (May 2021), 54–59. DOI:https://doi.org/10.29303/jipp.v6i1.147.