TY - PRO AU - Twumasi Afriyie,S. AU - Sallah,P.Y.K. AU - Soza,R.F. TI - Development of quality protein maize varieties in Ghana PY - 1995/// CY - Madison, WI (USA) PB - ASA KW - Ghana KW - Nutrient improvement KW - Nutritive value KW - AGROVOC KW - Protein content KW - Research projects KW - Zea mays KW - CIMMYT ER -