Front cover image for The Kabul, Kunduz, and Helmand Valleys and the national economy of Afghanistan : a study of regional resources and the comparative advantages of development

The Kabul, Kunduz, and Helmand Valleys and the national economy of Afghanistan : a study of regional resources and the comparative advantages of development

Thesis, Dissertation, English, 1959
National Academy of Sciences, Washington, 1959
Columbia University