Roa, Julieta R.2007-11-132006-09-252007-11-131990http://hdl.handle.net/10625/25853The table of contents for this item can be shared with the requester. The requester may then choose one chapter, up to 10% of the item, as per the Fair Dealing provision of the Canadian Copyright ActText1 digital file (62 p. : ill.)application/pdfenPLANT BREEDINGSEEDSPOTATOESPHILIPPINESMETHODOLOGYFARMERSWorking Paper