Rosita, A., Anggreini, L. and Ismail, M. D. (2020) “IMPROVING THE STRENGTHENING OF THE SEGIEMPAT CONCEPT IN CLASS VII STUDENTS THROUGH GEOGEBRA-BASED ASSESSMENTS”, Apotema : Jurnal Program Studi Pendidikan Matematika, 6(2), pp. 88–96. doi: 10.31597/ja.v6i2.228.