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Soil science in Panama, classification, fertility and conservation.
(Centro Agronómico Tropical de Investigación y Enseñanza, Turrialba (Costa Rica)., 1978)
Soil science in Nicaragua, classification, fertility and conservation.
(CATIE, Turrialba (Costa Rica), 1978)
Milk and beef production systems for the small farmers using crop derivatives. 1977 Progress reports project
(Centro Agronómico Tropical de Investigación y Enseñanza (CATIE), Turrialba (Costa Rica). PROGRAMA DE BOVINOS Y ESPECIES MENORES, 1978)
Project Animal Production SysteMON (CATIE): 1977 progress report submitted to the International Development Research Centre
(CATIE, Turrialba (Costa Rica), 1978)
Soil fertility investigation in Honduras, 1977.
(Centro Agronómico Tropical de Investigación y Enseñanza, Turrialba (Costa Rica)., 1978)
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)
CATIE Financial statements
(Peat, Marwick, Mitchell & Co., San José (Costa Rica), 1978)
Soil science in Guatemala, classification, fertility and conservation.
(Centro Agronómico Tropical de Investigación y Enseñanza, Turrialba (Costa Rica)., 1978)
Soil science in Costa Rica; classification, fertility and conservation
(CATIE, Turrialba (Costa Rica), 1978)