Sample pages:
http://www.travelcampus.com/classroom/test/salesdemo.html

http://www.travelcampus.com/iataclassroom/snet/mod1/beginsn_l1.html

https://prezi.com/9he8yxs39s93/bsp/

https://prezi.com/mw-kfa0ivinf/desktop-by-sharon-scott/