SIDABUTAR, Ropinus. PENINGKATAN KUALITAS BELAJAR MATEMATIKA SISWA SMA PADAMU NEGERI MELALUI QUIPPER VIDEO. JGK (Jurnal Guru Kita), [S. l.], v. 7, n. 3, p. 577–585, 2023. DOI: 10.24114/jgk.v7i3.43583. Disponível em: https://jurnal.unimed.ac.id/2012/index.php/jgkp/article/view/43583. Acesso em: 4 jul. 2025.