Tuesday, 10:45 30/07/2019
Hanoi students win international invention gold medals
Vietnamese team submitted two inventions by six students from Giang Vo school, two from Cau Giay school and one from Chu Van An school to the competition.
Vietnamese team submitted two inventions by six students from Giang Vo school, two from Cau Giay school and one from Chu Van An school to the competition.