00423nam a2200109 a 4500041000800000082001800008110004800026245016800074260003100242650002400273650001600297  aeng  a338.181bP658  aFood Agriculture Organization Nations Units  aProvisional indicate world plan for agricultural developmentba synthesis and analysis of factors relevant to world, regional and national agricultural development  aWashington, D.CbFAOc1969  aDESARROLLO AGRICOLA  aAGRICULTURA