• Sweet potato in Viet Nam : production and markets 

      Bottema, J.W. Taco; Binh, Pham Thanh; Ha, Dang Thanh; Hoanh, Mai Thach; Kim, H. (United Nations, 1991)

      In the late 1980’s, Viet Nam became self-sufficient in rice. Despite this, it remains important to increase production and improve marketing of other food crops, in order to meet the increasing food demand of the people. ...