Authors
Daina Vasilevska
Liepaja University, Liel‚ iela 14,, Liepāja, Latvija
Baiba Rivza
Latvia University of Agriculture,, Riga, Latvia
Vilija Alekneviciene
Aleksandras Stulginskis University, Akademija,, Kaunas, Lithuania
Agnieszka Parlińska
Warsaw University of Life Sciences,, Warsaw, Poland