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Soil fertility management in the mid-hills of Nepal: Practices and perceptions
Pilbeam, Colin, (2005)
Comentario a la reseña de SAÚL TREJO REYES al libro de PETER GREGORY, The Myth of Market Failure: Employment and the Labor Market in Mexico.
Gregory, Peter, (1989)
An Assessment of Changes in Employment Conditions in Less Developed Countries.
Gregory, Peter, (1980)