Daruna Somboonkun2007-11-131996-04-012007-11-131983http://hdl.handle.net/10625/14722Text1 digital file (45 p. : ill.)Application/pdfenAGRICULTURAL INFORMATIONAGRISAGRICULTURAL EXTENSIONTHAILANDINFORMATION USERSBUDGETFEASIBILITY STUDIESKhon Kaen proposal : trip report, Thailand, 25 July-31 Aug. 1983Working Paper