chat doi Sathaban Wichai Chaokhao, Kong Songkhro Chaokhao, Krom Prachasongkhro, Krasuang Mahatthai = Hill tribes, ways of life and development : exhibition of golden anniversary of the Department of Public Welfare at Alliance Francaise, Bangkok, August 15-22, 1991 / organized by Tribal Research Institute, Hilltribe Welfare Division, Department of Public Welfare, Ministry of Interior
Tribal Research Institute, Department of Public Welfare, Ministry of Labour and Social Welfare in collaboration with the UNDP Subregional Highland Peoples Programm , Bangkok