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La agricultura en Bolivia : quimera del desarrollo
Tapia Vargas, Gualberto, (1994)
Desarrollo sostenible, desarrollo rural, desarrollo agropecuario : la hora del cambio
(1994)
With special emphasis on overgrazing and land degradation
Takase, Kunio, (1993)
Report of the meeting on fertilizer production, distribution and utilization in Latin America : Rio de Janeiro, Brazil, 4-12 Dezember,1951
Dion, H. G., (1953)
Legislation on fertilizers in Latin America
Abensour, E. S., (1955)
Agriculture in the altiplano of Bolivia
Dion, H. G., (1950)