Krissanti, M. dan Yunianta, T.N.H. 2020. The profile of junior high school students’ problem solving in answering the content TIMSS test of algebra on ideal problem solving. Math Didactic: Jurnal Pendidikan Matematika. 6, 1 (Apr 2020), 12-24. DOI:https://doi.org/10.33654/math.v6i1.853.