Lewis, A.B.
Essential steps in national agricultural improvement / A.B. Lewis - Washington : FAO, 1950 - 16p. : 30 cm.
Includes index.
Economic development
Agriculture
338.8902 / FAO-3
Essential steps in national agricultural improvement / A.B. Lewis - Washington : FAO, 1950 - 16p. : 30 cm.
Includes index.
Economic development
Agriculture
338.8902 / FAO-3