Lugemist

Key energy efficiency solutions for SME hotels Hotel Energy Solutions2011
Key energy efficiency technologies database for SME hotels Hotel Energy Solutions2011
Practical guide for pilot hotel ownersSustainable Innovation AB, Nigel Claridge2016
Survival of the fittest - Sustainable tourism means businessForum for the Future and the Travel Foundation2012
Sustainable tourism for development GuidebookWorld Tourism Organization (UNWTO)2013