The green revolution.
Johnson, Stanley
The green revolution. - New York Harper & Row [1972] - xiii, 218 p. illus. 22 cm.
0081360856
76190093
United Nations.
Agriculture
Green Revolution.
Rural development
S439 / .J64 1972b
338.1/09172/4
The green revolution. - New York Harper & Row [1972] - xiii, 218 p. illus. 22 cm.
0081360856
76190093
United Nations.
Agriculture
Green Revolution.
Rural development
S439 / .J64 1972b
338.1/09172/4