Usman, N. D., Inuwa, I. I., & Iro, A. I. (2012). The Influence of Unethical Professional Practices on The Management of Construction Projects in North Eastern States of Nigeria. International Journal of Economic Development Research and Investment (IJEDRI), 3(2), 124–129. Retrieved from http://icidr.org.ng/index.php/Ijedri/article/view/815