?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Tran%2C+Cuong+Hung&rft.aulast=Tran&rft.aufirst=Cuong+Hung&rft.title=Analysis+and+design+of+a+photovoltaic+water+pumping+system&rft.genre=proceeding