Hamidreza Abbasianjahromi, Vahid Pourali Shadhy and Amirhassan Beykian (2021) “Developing a Smart Helmet Based on the Internet of Things to Manage Hearing Problems in the Construction Projects”, Journal of Construction in Developing Countries, 26(2), pp. 231–250. doi:10.21315/Jcdc2021.26.2.11.