【作者(必填)】Ranaweerage, Eranga

【文题(必填)】Tourists' Specialization and Wildlife Values in the Context of Wildlife-Viewing Tourism in Protected Areas : A Study of Elephant-viewing Tourists at Udawalawe National Park in Sri Lanka

【年份(必填)】2013

【全文链接或数据库名称(选填)】http://jairo.nii.ac.jp/0178/00002627