00391pab a2200145 454500 180718b1985 xxu||||| |||| 00| 0 eng d Colclough, Christopher Competing paradigms in the debate about agricultural pricing policy 1985 39-46 July Agricultural Marketing - Africa IDS Bulleting 3550 3550 3550 0 0 0 0 IIPA IIPA 2018-07-19 Volume no: 16, Issue no: 3 AR3551 2018-07-19 2018-07-19 AR