Pratidiana, D., Rifa’i, R. and Priyani, D. (2021) “ANALYSIS OF MATHEMATICAL ABSTRACTION ABILITY OF GRADE VIII STUDENTS IN CARTESIAN COORDINATE MATERIAL”, MaPan : Jurnal Matematika dan Pembelajaran, 9(1), pp. 178–196. doi: 10.24252/mapan.2021v9n1a12.