003940000a22001450004500050000800000060000800008082002000016100001900036100002000055245007600075260003300151260000900184300000800193650004700201  a010  a100  a338.1091724 MIL  aHapgood, David  aMillikan, Max F  aNo easy harvest: the dilemma of agriculture in underdeveloped countries  aBoston, Little,brown and co.  c1967  a178  aAgricultural economics-developed countries