The effectiveness of the structural model of learning in the acquisition of geographical concepts among students of the first grade average). Journal Of Educational and Psychological Researches, [S. l.], v. 14, n. 52, p. 112–140, 2017. Disponível em: https://jperc.uobaghdad.edu.iq/index.php/jperc/article/view/277. Acesso em: 5 may. 2025.