author = { Liwiński, Jacek },

title = { Informal employment and wages in Poland },

publisher = {CASE, Center for Social and Economic Research},

isbn = {9788371787195},

keywords = { informal workers , undeclared employment , wages , wage penalty , PSM , Graue Literatur },

year = {[2020]},

booktitle = {CASE working papers ; no. 14 (138/2020)},

address = { Warsaw, Poland },

url = { http://slubdd.de/katalog?TN_libero_mab2 }