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13Texto bibliotecaCOLPOS
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14by CGIAR Technical Advisory Committee Subcommittee on Plant Nutrition, Ruttan, Vernon W.
Published 1974-10-01Internal Document bibliotecaCGIAR -
15Texto bibliotecaCIAT
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16Agriculture, environment, and health: sustainable development in the 21st century Agriculture, environment, and health: sustainable development in the 21st centuryby Conference on Agriculture, Environment, and Health 1a 1991 Bellagio, Italy, Ruttan, Vernon W. editor
Published 1994Texto bibliotecaECOSUR -
17Texto bibliotecaECOSUR
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18Agricultural development policy: adjustments and reorientation Agricultural development policy: adjustments and reorientationby Schultz, Theodore W., Indian Society of Agricultural Economics, Bombay (India) eng, Lele, Uma, Mellor, John W., Lipton, Michael, Ruttan, Vernon W.
Published 1990Texto bibliotecaFAO IT