↑ Hy V. Luong Tradition, Revolution, and Market Economy in a North Vietnamese Village-- 2010 Page 217 "... industry in Việt Trì or in the new industrial zone on the border between Lâm Thao district and Việt Trì township.4 A number of commuting villagers worked in a cement factory set up in 2002 by a Sơn Dương native in this new industrial zone"
