FATIMA UMAR RAHIS; DR. UMAR MOHAMMED ALI. The Impact of Manpower Training and Development Practices for Organizational Efficiency: A Study of Some Selected Establishments under the State Ministry of Health and Human Services, Maiduguri, Borno State. The American Journal of Social Science and Education Innovations, [S. l.], v. 7, n. 02, p. 31–38, 2025. DOI: 10.37547/tajssei/Volume07Issue02-05. Disponível em: https://www.theamericanjournals.com/index.php/tajssei/article/view/5878. Acesso em: 4 apr. 2026.