SHAVUKA, T. N.; SHIKONGO, R. M. Factors contributing to low teacher morale in secondary schools in the Oshana Educational Region, Namibia. Namibia Educational Reform Forum Journal, [S. l.], v. 28, n. 2, p. 19–28, 2020. Disponível em: https://journals.nied.edu.na/index.php/nerfj/article/view/116. Acesso em: 3 jul. 2024.