P. Gomez, C., and G. Ting Tiew Yung. “Housing Industry Readiness Factors and Indicators to Implement Green Building Development”. International Journal of Sustainable Construction Engineering and Technology, Vol. 9, no. 1, Apr. 2018, pp. 44-57, https://publisher.uthm.edu.my/ojs/index.php/IJSCET/article/view/3126.