Arnut Siriwan และ Suvaluck Satumanatpan. (2012) Coral reef zoning for support sustainable tourism activities Koh Tao,Suratthani province,Thailand. Mahidol University:ม.ป.ท.Arnut Siriwan และ Suvaluck Satumanatpan. 2012. Coral reef zoning for support sustainable tourism activities Koh Tao,Suratthani province,Thailand. ม.ป.ท.:Mahidol University;Arnut Siriwan และ Suvaluck Satumanatpan. Coral reef zoning for support sustainable tourism activities Koh Tao,Suratthani province,Thailand. ม.ป.ท.:Mahidol University, 2012. Print.