00312 a2200109 4500020001500000082001500015245005000030260006200080300001800142440002600160650001600186 a0963704451 a630.7bSUS aSustainable human development and agriculture aNew YorkbUnited Nation Development Programmec1994g1994 axv,92p.c23cm aUNDP guidebook series aAgriculture