I apologize for my repost.
In addition,
"To effectively promote Mandarin, we closed down all dialect programs on radio
and TV from 1979." Quoted from SPEECH BY MR LEE KUAN YEW, MINISTER MENTOR, AT SPEAK MANDARIN CAMPAIGN’S 30TH ANNIVERSARY LAUNCH, 17 MARCH 2009, 5:00 PM AT THE NTUC...