Perea, J., Blanco Penedo, I., Barba, C., Angón, E. and García, A. (2014) “Organic beef farming in Spain: typology according to livestock management and economic variables.”, Revista Científica de la Facultad de Ciencias Veterinarias, 24(4). Available at: http://www.produccioncientifica.luz.edu.ve/index.php/cientifica/article/view/7228 (Accessed: 13November2025).