PALUCHOVÁ, J.; PROKEINOVÁ, R. SUSTAINABILITY IN SERVICE´S SECTOR: NEW TRENDS OF SUSTAINABILITY TOOLS AND POSITIONING OF SERVICES IN ECONOMY. Zeszyty Naukowe SGGW, Polityki Europejskie, Finanse i Marketing, [S. l.], n. 10(59), p. 540–551, 2013. Disponível em: https://pefim.sggw.edu.pl/article/view/1302. Acesso em: 4 maj. 2024.