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Agricultural land resources : capabilities, uses, conservation needs
(1962)
Contribución a la explotación racional, a la conservación y al mejoramiento de los suelos y de los recursos naturales renovables de El Salvador
Stevens, Jean Claude Yves, (1958)
The American environment : readings in the history of conservation
Nash, Roderick, (1968)
Development, post-, anti-, and populist : a critical review
Blaikie, Piers, (2000)
A review of political ecology : issues, epistemology and analytical narratives
Blaikie, Piers, (1999)
The political economy of soil erosion in developing countries
Blaikie, Piers, (1985)