Wirinee Wattana. 2004. Hotel executive visions and staff participation on environmental management : a case study of Green Leaf Foundation Members. Field of Study Environmental Education, Mahidol University;
Wirinee Wattana. (2004) Hotel executive visions and staff participation on environmental management : a case study of Green Leaf Foundation Members . Mahidol University/Bangkok.
Wirinee Wattana. Hotel executive visions and staff participation on environmental management : a case study of Green Leaf Foundation Members. . Bangkok:Mahidol University, 2004.
Wirinee Wattana. (2004) Hotel executive visions and staff participation on environmental management : a case study of Green Leaf Foundation Members . Mahidol University/Bangkok.