Henriet, J., Ek, G. v., Blade, S., & Singh, B. (1997). Quantitative assessment of traditional cropping systems in the Sudan savanna of northern Nigeria: III. Importance of trees, shrubs and secondary crops in the cropping systems.
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Cita Chicago Style (17a ed.)
Henriet, J., G.A. van Ek, S. Blade, y B. Singh. Quantitative Assessment of Traditional Cropping Systems in the Sudan Savanna of Northern Nigeria: III. Importance of Trees, Shrubs and Secondary Crops in the Cropping Systems. 1997.
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Cita MLA (9a ed.)
Henriet, J., et al. Quantitative Assessment of Traditional Cropping Systems in the Sudan Savanna of Northern Nigeria: III. Importance of Trees, Shrubs and Secondary Crops in the Cropping Systems. 1997.
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