Chatchai Sangphet. 2004. A development of "homestay" in Thailand towards being in principles of sustainable tourism by the World Tourism Organization (WTO) : a case study of Ban Plai Phong Phang homestay, Samut Songkhram province. Field of Study Biological Science, Naresuan University;
Chatchai Sangphet. (2004) A development of "homestay" in Thailand towards being in principles of sustainable tourism by the World Tourism Organization (WTO) : a case study of Ban Plai Phong Phang homestay, Samut Songkhram province . Naresuan University/Phitsanulok.
Chatchai Sangphet. A development of "homestay" in Thailand towards being in principles of sustainable tourism by the World Tourism Organization (WTO) : a case study of Ban Plai Phong Phang homestay, Samut Songkhram province. . Phitsanulok:Naresuan University, 2004.
Chatchai Sangphet. (2004) A development of "homestay" in Thailand towards being in principles of sustainable tourism by the World Tourism Organization (WTO) : a case study of Ban Plai Phong Phang homestay, Samut Songkhram province . Naresuan University/Phitsanulok.