NAZWA MUTIA SYAFITRI; HELINA QATRUNNADA NASUTION; KHALIDA RAHMAH; DIAN ARMANTO. A Literature Review of Students’ Difficulties in Quadratic Equations and Problem-Solving Learning Using LKPD : Penelitian. Jurnal Pengabdian Masyarakat dan Riset Pendidikan, [S. l.], v. 4, n. 4, 2026. DOI: 10.31004/jerkin.v4i4.5901. Disponível em: https://jerkin.org/index.php/jerkin/article/view/5901. Acesso em: 29 apr. 2026.