Christensen, C. Food problems and the prospects in Sub-Saharan Africa. Washington: U. S. Gov. Print Office, 1981 XVIII, 293 p. : ill.
Christensen, C. Food problems and the prospects in Sub-Saharan Africa. Washington: U. S. Gov. Print Office, 1981 XVIII, 293 p. : ill.
Christensen, C. (1981) Food problems and the prospects in Sub-Saharan Africa, Washington: U. S. Gov. Print Office XVIII, 293 p. : ill.
Christensen, C. (1981). Food problems and the prospects in Sub-Saharan Africa. The Decade of the 1980's. Washington: U. S. Gov. Print Office, XVIII, 293 p. : ill.
Christensen C. Food problems and the prospects in Sub-Saharan Africa: The Decade of the 1980's. Washington: U. S. Gov. Print Office; 1981. p. XVIII, 293 p. : ill.
