Legrand, Willy Sustainability in the hospitality industry: Principles of sustainable operations - 3rd ed. - London Routledge 2017 - xxiii, 524 p. 2933 20/11/2017 RBP17/67910 24/11/2017 IHTM (SFS) ISBN: GBP43.99 Dewey Class. No.: 647.94 S52S(3)