Links to all sources included in my papers.
http://www.study.com/articles/Airport_Ramp_Agent_Salary_Duties_and_Requirements.html
http://link.galegroup.com/apps/doc/A409596498/AONE?u=cuny_ccny&sid=AONE&xid=2788861e.
https://www.aviationpros.com/article/11300745/swedish-voc-tech-school-trains-tomorrows-ramp-agents
http://link.galegroup.com/apps/doc/A380066439/ITOF?u=cuny_ccny&sid=ITOF&xid=7f0095c4
http://link.galegroup.com/apps/doc/A264922554/AONE?u=cuny_ccny&sid=AONE&xid=2069e9b2
http://www.aviationpros.com/article/12384311/retention-on-the-ramp.
http://go.galegroup.com.ccny-proxy1.libr.ccny.cuny.edu/ps/i.do?id=GALE%7CA409596498&v=2.1&u=cuny_ccny&it=r&p=AONE&sw=w
https://study.com/articles/Airport_Ramp_Agent_Salary_Duties_and_Requirements.html