%0 Journal Article %T Introduction %A PikuĊ‚a, Norbert G. %J Labor et Educatio %V 2019 %N 7 (2019) %P 7-9 %@ 2353-4745 %D 2019 %U https://ejournals.eu/czasopismo/labor-et-educatio/artykul/introduction-26 %X