Kittiwan Nimdit. 2004. tourists' behavior at Khao Chamao-Khao Wong National ParkKittiwan Nimdit. Field of Study Environmental Education, Mahidol University;
Kittiwan Nimdit. (2004) tourists' behavior at Khao Chamao-Khao Wong National ParkKittiwan Nimdit . Mahidol University/Bangkok.
Kittiwan Nimdit. tourists' behavior at Khao Chamao-Khao Wong National ParkKittiwan Nimdit. . Bangkok:Mahidol University, 2004.
Kittiwan Nimdit. (2004) tourists' behavior at Khao Chamao-Khao Wong National ParkKittiwan Nimdit . Mahidol University/Bangkok.