?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Nguyen%2C+Diep+Thi+Ngoc&rft.aulast=Nguyen&rft.aufirst=Diep+Thi+Ngoc&rft.date=13+February+2013&rft.title=WEE%3A+A+Mashup+System+Using+Social+Networks+For+Collaborative+Environmental+Monitoring+Education+With+Spatiotemporal+Analysis+And+Visualization&rft.genre=proceeding