UMOH, Roseline Aniekan; OJOBE, Egbai Ojobe; UZOIGWE, Michael Chukwudi. Principals’ Data-Driven Decision-Making and Administrative Effectiveness in Secondary Schools in Calabar Education Zone of Cross River State, Nigeria. International Journal of Public Management and Social Science Research (IJPMSSR), [S. l.], v. 1, n. 2, p. 44–57, 2025. Disponível em: https://transglobalpunet.com/index.php/ijpmssr/article/view/36. Acesso em: 4 feb. 2026.