1 Kim, Y. J., "study on an influence which the environmentfriendly factor of restaurant gives to consumer's attitude and purchase intention" Kyung Hee University 2009
2 Korea Environmental Industry & Technology Institute, "The domestic hotel industry in eco-friendly hotel certification system introduced"
3 Yoo, J. Y., "The Dvevlopment of Environmentally-Friendly Restaurant Certificate Standards for Sustainability"
4 "Organic SPA website"
5 "Nordic Swan website"
6 Environmental L., "McDonald's 10 green restaurant models, Retrieved Jan. 30, 2011"
7 "Kyonggi University. Ph D Dissertation"
8 "Green restaurant website"
9 Nam, J. M., "Environmental labeling certification of eco-friendly hotel also introducing strategic services" Korea Environmental Industry &Technology Institute 2010
10 Korea Environmental Industry &Technology Institute, "Environment Mark Certificati-on Application Manual-EL801 hotel services"
1 Kim, Y. J., "study on an influence which the environmentfriendly factor of restaurant gives to consumer's attitude and purchase intention" Kyung Hee University 2009
2 Korea Environmental Industry & Technology Institute, "The domestic hotel industry in eco-friendly hotel certification system introduced"
3 Yoo, J. Y., "The Dvevlopment of Environmentally-Friendly Restaurant Certificate Standards for Sustainability"
4 "Organic SPA website"
5 "Nordic Swan website"
6 Environmental L., "McDonald's 10 green restaurant models, Retrieved Jan. 30, 2011"
7 "Kyonggi University. Ph D Dissertation"
8 "Green restaurant website"
9 Nam, J. M., "Environmental labeling certification of eco-friendly hotel also introducing strategic services" Korea Environmental Industry &Technology Institute 2010
10 Korea Environmental Industry &Technology Institute, "Environment Mark Certificati-on Application Manual-EL801 hotel services"