PHAN MEM MIEN PHI

http://www.download-freeware.com (tai phan mem mien phi)

DIA CHI CAC TRUONG DH

http://ier.hcmup.edu.vn ( vien nghien cuu giao duc)
http://ier.hcmup.edu.vn/cit/tvbgiang/home.htm (Vien NCGD-TTCN day hoc-DHSPTPHCM)
http://www.edu.net.vn (Bo GD&DT)
http://www.ier.hcmup.edu.vn (DHSP TP-HCM)
http://hcmuns.edu.vn (DH KHTN-TP HCM)