OBASI, K. K.; OHIA, A. N. Teacher performance evaluation techniques in public and private secondary schools in south east Nigeria. Global Journal of Educational Research, [S. l.], v. 13, n. 2, p. 117–123, 2018. DOI: 10.4314/gjedr.v13i2.8. Disponível em: https://www.ajol.info/index.php/gjedr/article/view/169862. Acesso em: 13 oct. 2026.