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| Practical guide for pilot hotel owners | Sustainable Innovation AB, Nigel Claridge | 2016 | |
| Energy Efficiency tips for hotel staff | Nigel Claridge (Sustainable Innovation AB), Ignacio Guerrero (CREARA), Maria Frangou (ENV/TUC) | 2016 | |
| Sustainable tourism for development Guidebook | World Tourism Organization (UNWTO) | 2013 | |
| Good Practice Guide to Waste Management for Hotels in Hong Kong | The Hong Kong Polytechnic University | 2000 |