Agricultural economics : principles and policy /
Ritson, Christopher.
Agricultural economics : principles and policy / Christopher Ritson. - London : Staples, c1977. - xiii, 409 p. : ill.
0258969385
Agriculture and state.
Agriculture--Economic aspects.
Agricultural economics : principles and policy / Christopher Ritson. - London : Staples, c1977. - xiii, 409 p. : ill.
0258969385
Agriculture and state.
Agriculture--Economic aspects.