Bibliography:
Chew, W. (2018, August 17). SMRT’s in-train screens are ineffective. Here’s our redesign. https://www.techinasia.com/talk/smrt-intrain-screen-redesign
Neo, E. (2018, May 14). New system to show commuters crowd levels on trains. https://www.channelnewsasia.com/news/singapore/new-system-to-show-commuters-crowd-levels-on-trains-10230950
Chew, W. (2018, August 17). SMRT’s in-train screens are ineffective. Here’s our redesign. https://www.techinasia.com/talk/smrt-intrain-screen-redesign
Neo, E. (2018, May 14). New system to show commuters crowd levels on trains. https://www.channelnewsasia.com/news/singapore/new-system-to-show-commuters-crowd-levels-on-trains-10230950