Lembaga Pusat Penelitian Pertanian2007-11-131997-03-202007-11-131977http://hdl.handle.net/10625/13758Text1 digital file (63 p. : ill.)application/pdfenCULTIVATION SYSTEMSAGRICULTURAL RESEARCHRICEPLANT DISEASESINDONESIAAGRICULTURAL EXTENSIONAGRICULTURAL PROJECTSFARMERSON-FARM RESEARCHWorking Paper