Usa, S. L., and K. R. Pratiwi. “The Influence of Problem Solving Learning Methods on Students’ Mathematics Learning Creativity on Fractions in Class V SD Negeri Karing-Karing”. Jurnal Akademik Pendidikan Matematika, vol. 7, no. 2, Nov. 2021, pp. 171-7, doi:10.55340/japm.v7i2.441.