USMAN, N. D.; DABS, D. Y.; SHWARKA, M. S.; ABUBAKAR, H. O. Assessment of Professionalism and Ethical Standards on Project Delivery in Nigerian Built Environment. AFRICAN JOURNAL OF APPLIED RESEARCH, [S. l.], v. 4, n. 2, p. 216–226, 2018. Disponível em: https://ajaronline.com/index.php/AJAR/article/view/298. Acesso em: 4 dec. 2024.