Liy, Chong Hui, Siti Halipah Ibrahim, Rohaida Affandi, Nor Azalina Rosli, and Mohd Nasrun Mohd Nawi. 2017. “Causes of Fall Hazards in Construction Site Management”. International Review of Management and Marketing 6 (8S):257-63. https://econjournals.org.tr/index.php/irmm/article/view/4058.