00752nam a22002297a 4500003000500000005001700005008004100022010001000063011001000073035001000083040000900093082001700102100002600119245007700145260003800222300002000260490007500280650004600355650002200401700002400423830007500447CHAP20220329135822.0971013s1979            r     00010     d  a42776  a43748  a47885  cCHAP  a630.717bE8300aEvans, Donald D.eed.  aAppropriate technology for development ; a discussion and case histories  aBoulder, Colo. :bWestview,c1979  a482 p.b: ilus.  aWestview special studies in social, political and economic development14aAgriculturaxInnovaciones tecnológicas.14aDesarrollo rural.0 aAlder, Laurie Nogg.0 aWestview special studies in social, political and economic development