SAJO, Tijani Mohammed. Effects of leadership styles on productivity of secretaries in the Nigerian public sector. Journal of Professional Secretaries and Office Administrators, [S. l.], v. 30, n. 1, p. 47–61, 2023. DOI: 10.69984/jopsoa.v30i1.109. Disponível em: http://jopsoa.org/index.php/jopsoa/article/view/109. Acesso em: 19 sep. 2024.