Syutaridho, Syutaridho. “PENGEMBANGAN SOAL OPEN ENDED PADA POKOK BAHASAN PYTHAGORAS”. Jurnal Pendidikan Matematika RAFA 1, no. 1 (May 14, 2017): 117–138. Accessed April 19, 2025. https://jurnal.radenfatah.ac.id/index.php/jpmrafa/article/view/1227.