Institute of Forest Conservation (1990: Peru) Asian training of trainors on farm household diagnostic skills /Peru, 11-18, November 1990 ; edited by R.E.Rhoades, V.N. Sandoval, C.P. Bagalanon - [S.I.] International Potato Center 1990 - 181 pages. Subjects--Topical Terms: Agriculture-Research Agriculture surveys Dewey Class. No.: 630.72 / INS