Pardey, P. G., & Roseboom, J. (1989). ISNAR Agricultural Research Indicator Series: A Global Data Base on National Agricultural Research Systems. International Service for National Agricultural Research.
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Cita Chicago Style (17a ed.)
Pardey, Philip G., y Johannes Roseboom. ISNAR Agricultural Research Indicator Series: A Global Data Base on National Agricultural Research Systems. International Service for National Agricultural Research, 1989.
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Cita MLA (9a ed.)
Pardey, Philip G., y Johannes Roseboom. ISNAR Agricultural Research Indicator Series: A Global Data Base on National Agricultural Research Systems. International Service for National Agricultural Research, 1989.
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