OPPONG , C. A. . Content matching of the syllabus and the official history textbook of senior high schools in Ghana: Content matching of the syllabus and the official history textbook of senior high schools in Ghana. Ghana Journal of Education: Issues and Practice (GJE), [S. l.], v. 4, p. 89–110, 2017. DOI: 10.47963/gje.v4i.498. Disponível em: https://journal.ucc.edu.gh/index.php/gje/article/view/498. Acesso em: 16 may. 2024.