[1]
Świtłyk, M. and Helta, M. 2009. Efficiency of milk production in farms belong to European Dairy Farmers (EDF) in 2006. Annals of Agricultural Economics and Rural Development. 96, 1 (Mar. 2009), 60–67. DOI:https://doi.org/10.22630/RNR.2009.96.1.6.