00343pab a2200121 454500008004000000100002700040245007200067260000900139300001000148362000900158650003600167773001800203180718b1985   xxu||||| |||| 00| 0 eng d  aColclough, Christopher  aCompeting paradigms in the debate about agricultural pricing policy  c1985  a39-46  aJuly  aAgricultural Marketing - Africa  aIDS Bulleting