In 2008, Nguyễn Tử Quảng cooperated with Vietnamese Ministry of Training and Education during the investigation with the "disclose in the Team A Mathematics Test inquiries" within the 2009 University Entrance Test in Vietnam. He and BKIS were rewarded then Nguyễn Tử Quảng used to be highly criticized when he https://ztndz.com/story11368622/bkav-options