(VOVwprld)-The Vietnam Education Publishing House celebrated its 55^th founding anniversary in Hanoi on Sunday. It has become Vietnam’s largest publishing house with 67 member companies and 5 billion publications since its founding. Speaking at a ceremony to confer the Labor Order, first class, to the publishing house, Deputy Prime Minister Nguyen Thien Nhan called for more renovation to text books and reference materials to serve Vietnam’s industrialization, modernization and international integration.