friska, sonia yulia, & Sari, A. N. (2020). Improved Learning Outcomes Problem Solving Problem Fractions Using Polya Strategies: Peningkatan Hasil Belajar Pemecahan Masalah Soal Cerita Pecahan Menggunakan Strategi Polya. Journal of Vocational Education and Information Technology (JVEIT), 1(1), 1–6. https://doi.org/10.56667/jveit.v1i1.36