Siridhorn Suwanlert. (1992) A study of carrying capacities for tourists of coastal tourism : a case study of Ko Phangan, Surat Thani province. Mahidol University,:ม.ป.ท.Siridhorn Suwanlert. 1992. A study of carrying capacities for tourists of coastal tourism : a case study of Ko Phangan, Surat Thani province. ม.ป.ท.:Mahidol University,;Siridhorn Suwanlert. A study of carrying capacities for tourists of coastal tourism : a case study of Ko Phangan, Surat Thani province. ม.ป.ท.:Mahidol University, 1992. Print.