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Hobri, H., Putri, M.A.K., Murtikusuma, R.P., Oktavianingtyas, E. and 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 (Apr. 2021), 1-11. DOI:https://doi.org/10.22437/edumatica.v11i01.12032.