Ashok K. Chapagain

The global component of freshwater demand and supply: an assessment of virtual water flows between nations as a result of trade in agricultural and industrial products

Arjen Y. Hoekstra, A. Hoekstra, A. Chapagain, 2008 .

International Trade in Meat: The Tip of the Pork Chop

Vaclav Smil, Harold A. Mooney, James N. Galloway, 2007, Ambio.