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Project animal production systems (CATIE): 1977 progress report submitted to the International Development Research Centre. Milk and beef production systeMON for the small farmers using crop derivatives
(Centro Agronómico Tropical de Investigación y Enseñanza (CATIE), Turrialba (Costa Rica), 1978)
Project Animal Production SysteMON (CATIE): 1977 progress report submitted to the International Development Research Centre
(CATIE, Turrialba (Costa Rica), 1978)