Evaluating Levels of Project Planning and their Effects on Performance in the Nigerian Construction Industry. Construction Economics and Building, [S. l.], v. 9, n. 2, p. 39–50, 2012. DOI: 10.5130/AJCEB.v9i2.3020. Disponível em: https://epress.lib.uts.edu.au/journals/index.php/AJCEB/article/view/3020. Acesso em: 5 dec. 2025.