El Bedewy, R.Engels, C.Schwenkel, J.2007-11-131989-04-012007-11-131987http://hdl.handle.net/10625/21130Text1 digital file (p. 1-6)Application/pdfenPOTATOESPLANT PRODUCTIONSEEDSEGYPTCROP YIELDPotential of using true seed for potato production in EgyptJournal Article