FATRA, Maifalinda; DHAKAL, Amrit. Exploring the Use of the "Quadratic Equation Board" Teaching Aid to Improve Seventh-Grade Students’ Understanding of Quadratic. Delta-Phi: Jurnal Pendidikan Matematika, [S. l.], v. 2, n. 3, p. 173–178, 2024. DOI: 10.61650/dpjpm.v2i3.119. Disponível em: https://journal.assyfa.com/index.php/dpjpm/article/view/119. Acesso em: 28 apr. 2026.