WALAI AutoLIB – RSSRSSWALAI AutoLibAssessment of Tourist site Potential and Application of Environmental Management System for Ecotouris Development in Sri Nan Nation Park, Nan Province / Tatsanawalai Utarasakul.http://lib.tat.or.th/catalog/BibItem.aspx?BibID=b00010501<img src="http://tourismlibrary.tat.or.th/bookcover/10501/10501-fc-t.gif" align="left" height="150" width="120"/>Ecotourism Management of Khao Chamao - Khao Wong National Park / Pornlada Yoonprayong.http://lib.tat.or.th/catalog/BibItem.aspx?BibID=b00005790<img src="http://tourismlibrary.tat.or.th/bookcover/5790/5790-fc-t.gif" align="left" height="150" width="120"/>