Fatmawati, F. and Retnawati, H. 2018. How these three schools in Indonesia could exceed the international average score in TIMSS 2015?. PYTHAGORAS Jurnal Matematika dan Pendidikan Matematika. 13, 1 (Jun. 2018), 1–9. DOI:https://doi.org/10.21831/pg.v13i1.20486.