BURITTA, Marlina; BADOLO, Mas’ud; NOVIANTI, Idha. The Effectivity of Direct Learning Models Assisted Number Staircase Media in Mathematics Learning for First Grade Students at Elementary School. EduLine: Journal of Education and Learning Innovation, [S. l.], v. 3, n. 1, p. 17–22, 2023. DOI: 10.35877/454RI.eduline1426. Disponível em: https://qemsjournal.org/index.php/eduline/article/view/1426. Acesso em: 13 jun. 2026.