The February 2021 issue of the International Security Journal features an informative article on Security Doors and Sunray Doors.
Read the digital version of the article here: https://digital.internationalsecurityjournal.com/html5/reader/production/default.aspx?pnum=71&edid=d28271be-7b44-48b2-b6a6-d40a707f30b7&isshared=true
