friska, sonia yulia, and Ana Novita Sari. “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), vol. 1, no. 1, May 2020, pp. 1-6, doi:10.56667/jveit.v1i1.36.