Mądry, W., Mena, Y., Roszkowska-Mądra, B., Gozdowski, D., Hryniewski, R. and Castel, J. M. (2013) “An overview of farming system typology methodologies and its use in the study of pasture-based farming system: a review”, Spanish Journal of Agricultural Research, 11(2), pp. 316-326. doi: 10.5424/sjar/2013112-3295.