KIBET A. NG’ETICH. 8 - Book Reviews: Thomas R. Black. Evaluating Social Science Research: An Introduction, London, SAGE Publications, 1993, p. 183.: by Kibet A. Ng’etich. Africa Development, [S. l.], v. 20, n. 3, 1995. DOI: 10.57054/ad.v20i3.2545. Disponível em: https://journals.codesria.org/index.php/ad/article/view/2545. Acesso em: 3 jul. 2024.