Danh sách website,diễn đàn có PR cao | PR 7

http://forum.idichvuseo.com  
http://icb.com.vn 
http://molisa.gov.vn  
http://gdla.gov.vn   
http://thi.moet.gov.vn  
http://molisa.gov.vn/Default.aspx?tabid=67&g=forum
http://thi.moet.gov.vn/?page=7.0 
http://hutech.edu.vn/diendanit/forum/