TY - BOOK AU - Yapi, A. M. AU - Debrah, S. K. AU - Dehala, G. AU - Njomaha, C. TI - Impact of germplasm research spillovers: the case of sorghum variety S 35 in Cameroon and Chad T2 - Impact series SN - 9290663774 PY - 1999/// CY - Andhra Pradesh, India PB - International Crops Research Institute for the Semi-Arid Tropics KW - Germoplasma KW - Sorgo KW - Variedades ER -