books.google.co.in - In both South and Southeast Asia, many upland groups make a living, in whole or part, through gathering and hunting, producing not only subsistence goods but commodities destined for regional and even world markets. These forager-traders have had an ambiguous position in ethnographic analysis, variously...http://books.google.co.in/books/about/Forager_Traders_in_South_and_Southeast_A.html?id=6IAUKE7xv_cC&q=oriyo+timbo&utm_source=gb-gplus-shareForager-Traders in South and Southeast Asia
