FITRIYANI, Wulan; SUGIMAN, Sugiman. PENGEMBANGAN PERANGKAT PEMBELAJARAN TEOREMA PYTHAGORAS DENGAN PENDEKATAN IDEAL BERBANTUAN GEOGEBRA. Jurnal Riset Pendidikan Matematika, [S. l.], v. 1, n. 2, p. 269–284, 2014. DOI: 10.21831/jrpm.v1i2.2681. Disponível em: https://journal.uny.ac.id/index.php/jrpm/article/view/2681. Acesso em: 14 may. 2025.