Hobri, H., Putri, M. A. K., Murtikusuma, R. P., Oktavianingtyas, E., & Pambudi, D. S. (2021). Developing Student Worksheet for Grade Seven on Social Arithmetics and Its Use in Flipped Classroom Blended Learning. Edumatica : Jurnal Pendidikan Matematika, 11(01), 1-11. https://doi.org/10.22437/edumatica.v11i01.12032