COSSIO-BOLAÑOS, Marco Antonio; ANDRUSKE, Cynthia Lee; VARGAS-VITORIA, Rodrigo; LAGOS-LUCIANO, Juan; LUARTE-ROCHA, Cristian; SULLA-TORRES, Jose; GOMEZ-CAMPOS, Rossana. Validation of an instrument to assess the skill levels of adolescent students to learn knowledge: Skill levels to learn knowledge. International Electronic Journal of Elementary Education, [S. l.], v. 12, n. 1, p. 47–52, 2019. Disponível em: https://www.iejee.com/index.php/IEJEE/article/view/825. Acesso em: 4 aug. 2026.