Tropical subsistence agriculture in latin America
Crist, R.E.
Tropical subsistence agriculture in latin America Some neglected aspects and implications - Washington 1964 - 503-519 p. - Agriculture Smithsonian Institution. Publication No. 4586 .
Tropical subsistence agriculture in latin America Some neglected aspects and implications - Washington 1964 - 503-519 p. - Agriculture Smithsonian Institution. Publication No. 4586 .