BBC News (11.6.2008), haettu 11.6.2008 "Credited as the author of the reforms known as Doi Moi, which have transformed Vietnam's economy, he was a rarity among senior officials in speaking out publicly against the failings of the communist system."
BBC News (11.6.2008), haettu 11.6.2008 "After the communist victory in 1975 he became mayor of Saigon, and quietly defied hard-line official policy by trying to work with officials and businesses associated with the defeated government."
BBC News (11.6.2008), haettu 11.6.2008 "His experiments with diluting orthodox socialism in the city eventually encouraged the communist party to adopt market reforms for the whole country in 1986, at a time when the economy was in ruins."
