%T The hill tribes of Northern Thailand and the opium problem
%A Patya Saihoo
%D 1963
%D 1963
%K national security
%K hill tribes
%K ethnic groups
%K politics
%K communication
%K agriculture
%K economics
%K husbandry
%K transport
%K national security
%K commerce
%K health
%K forestry
%K crime
%K Akha
%K Karen
%K North Thailand
%0 Book