SYAHRIANI, R.; SYAUKANI; ASRUL. PENGEMBANGAN MODUL TRIGONOMETRI BERBASIS DISCOVERY LEARNING TERHADAP SISWA MAN 2 PADANGSIDIMPUAN. Algebra : Jurnal Pendidikan, Sosial dan Sains, [S. l.], v. 1, n. 3, p. 20–28, 2021. Disponível em: https://ejournal.yana.or.id/index.php/algebra/article/view/36. Acesso em: 7 jun. 2026.