Text ( visual ) : unmediated Planning for agricultural development: the Iranian experience / J. Price Gittinger. -- [Washington] : National Planning Association , 1965. -- xi, 123 p. : ill. ; 23 cm. -- (Planning experience series ; no. 2). -- Bibliography: p. [119]-121. -- (BB1229964X) ; https://ci.nii.ac.jp/ncid/BB1229964X Author Heading(s): Gittinger, J. Price (James Price)