DR. UGWUANYI, BARTHOLOMEW IKECHUKWU; EMMA E.O. CHUKWUEMEKA, PH.D. THE OBSTACLES TO EFFECTIVE POLICY IMPLEMENTATION BY THE PUBLIC BUREAUCRACY IN DEVELOPING NATIONS: THE CASE OF NIGERIA. Singaporean Journal of Business Economics and Management, [S. l.], v. 1, n. (8), p. 34–43, 2013. Disponível em: https://www.singaporeanjbem.com/index.php/SJBEM/article/view/85. Acesso em: 27 oct. 2025.