RASYIDINA, Yurika Gustiyani; KOWIYAH, Kowiyah. The Effect of Educational Monopoly Learning Media on Fourth-Grade Students’ Achievement in Fraction Operations. Mathline : Jurnal Matematika dan Pendidikan Matematika, [S. l.], v. 11, n. 2, p. 517–528, 2026. DOI: 10.31943/mathline.v11i2.1184. Disponível em: http://mathline.unwir.ac.id/index.php/Mathline/article/view/1184. Acesso em: 4 oct. 2026.