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.