Televised coverage from News 5
An interesting take by the magazine The Economist: http://www.economist.com/node/13611576?story_id=13611576
A resource website compiled by Mrs Madeline Lim-Chen. She previously taught at NUS High School and is now back in MOE as a Curriculum Resource Development Officer after 10 years of perplexing students with geographical inquiries. This is her personal website.
An Interview with a Harvard professor on union history and issues (more from a American context)
An example of the union fighting in Hollywood
A Union Facts produced ad on the lack of transparency when union members vote