Vargas-Leitón, B., Solís-Guzmán, O., Sáenz-Segura, F. and León-Hidalgo, H. (2013) “Characterization and classification of dairy herds using multivariate analysis in Costa Rica”., Agronomía Mesoamericana, 24(2), pp. 257–275. doi: 10.15517/am.v24i2.12525.