TY - JA AU - Sprague,E.W. TI - Introduction of quality protein maize into national production programs in developing countries PY - 1975/// KW - Agricultural development KW - AGROVOC KW - Developing Countries KW - Nutritive value KW - Production KW - Protein quality KW - Seed production KW - Training KW - Zea mays KW - Yields KW - Hybrids T2 - High-Quality Protein Maize ER -