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Williams, R J and Frederiksen, R A and Girard, J C (1978) Sorghum and pearl millet disease identification handbook. Manual. International Crops Research Institute for the Semi-Arid Tropics.
Williams, R J and Frederiksen, R A and Girard, J C (1978) Sorghum and pearl millet disease identification handbook. Manual. International Crops Research Institute for the Semi-Arid Tropics.
Williams, R J and Frederiksen, R A and Girard, J C (1978) Sorghum and pearl millet disease identification handbook. Manual. International Crops Research Institute for the Semi-Arid Tropics.