STEPHEN, Enoch Gembu; EKE, Israel Emenike; CINJEL, Dickson Nandes. Management Styles and Organizational Effectiveness: An Appraisal of Private Enterprises in Northern Nigeria. International Journal of Sciences: Basic and Applied Research (IJSBAR), Jordan, v. 40, n. 1, p. 37–49, 2018. Disponível em: https://gssrr.org/JournalOfBasicAndApplied/article/view/8969. Acesso em: 10 sep. 2025.