Edem, Inyeneobong Ekoi, and Boluwatife Akinsola. 2021. “An Approach to Assessing Human Factors Related Occupational Safety Using Behavioural Observation-Based Indicators: The Case of a Construction Site in Nigeria”. Engineering and Applied Science Research 49 (2):133-45. https://ph01.tci-thaijo.org/index.php/easr/article/view/243526.