Chigozie Osuizugbo, Innocent, Opeyemi Oyeyipo, Ayodele Lahanmi, Adesoye Morakinyo, and Olusola Olaniyi. “Barriers to the Adoption of Sustainable Construction”. European Journal of Sustainable Development 9, no. 2 (June 1, 2020): 150. Accessed December 2, 2020. http://ecsdev.org/ojs/index.php/ejsd/article/view/1016.