GS Tran Quang Hai bieu dien ” Dong song thanh”, 01.2011, TP HCM 15.03.2018 by Hai Tran Quang GS Tran Quang Hai bieu dien ” Dong song thanh”, TP HCM , 01.2011 Trung Tin Tran Published on Jan 3, 2011 Buoi bieu dien bo tui voi than huu chieu ngay 1-1-2011 tai nha hang Thanh Nien.