TY - GEN A1 - Cembruch-Nowakowski, Mariusz PB - Politechnika KoszaliƄska L1 - http://dlibra.tu.koszalin.pl/Content/1730/2020_ROSnr22_308-323.pdf CY - Koszalin L2 - http://dlibra.tu.koszalin.pl/Content/1730 KW - certificates KW - ecolabels KW - green hotels KW - hospitality sector KW - pro-ecological practices T1 - Labels and certificates for green hotels UR - http://dlibra.tu.koszalin.pl/dlibra/publication/edition/1730 ER -