Gregory, K., Trail, J., Sandford, J., & Durkin, J. (1984). Crossbreeding cattle in beef production programmes in Kenya. I. Comparison of purebred Boran and Boran crossed with the Charolais, Ayrshire and Santa Gertrudis breeds. Springer.
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Cita Chicago Style (17a ed.)
Gregory, K.E, J.C.M Trail, J. Sandford, y J.W Durkin. Crossbreeding Cattle in Beef Production Programmes in Kenya. I. Comparison of Purebred Boran and Boran Crossed with the Charolais, Ayrshire and Santa Gertrudis Breeds. Springer, 1984.
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Cita MLA (9a ed.)
Gregory, K.E, et al. Crossbreeding Cattle in Beef Production Programmes in Kenya. I. Comparison of Purebred Boran and Boran Crossed with the Charolais, Ayrshire and Santa Gertrudis Breeds. Springer, 1984.
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