Leadership Styles and Job Security as Predictors of Staff Productivity in Polytechnic Libraries in South-East, Nigeria. Nigerian Library and Information Science Trends, [S. l.], v. 9, n. 2, p. 56–68, 2025. Disponível em: https://nlist.net.ng/index.php/nlist/article/view/119.. Acesso em: 19 jul. 2025.