VAN WYK, Micheal M. Using a reliability factorial analysis design to measure teacher’ attitudes toward economics education in Free State secondary schools. African Journal of Pedagogy and Curriculum, [S. l.], v. 2, p. 92–108, 2015. DOI: 10.63569/4mffkp35. Disponível em: https://www.ajopac.com/index.php/ajopac/article/view/58. Acesso em: 29 jun. 2025.