AUTHOR=Alawad Hamad , Kaewunruen Sakdirat 

TITLE=5G Intelligence Underpinning Railway Safety in the COVID-19 Era

JOURNAL=Frontiers in Built Environment

VOLUME=7

YEAR=2021

URL=https://www.frontiersin.org/journals/built-environment/articles/10.3389/fbuil.2021.639753

DOI=10.3389/fbuil.2021.639753

ISSN=2297-3362