Lewis, William Arthur
The principles of economic planning .-- 3rd. ed. Second Impression .-- London : [George Allen and Unwin Ltd] , 1970
.--XII, 128 p. 22 cm. .-- ( Unwin University Books;v. 11 ).
PLANIFICACION ECONOMICA
The principles of economic planning .-- 3rd. ed. Second Impression .-- London : [George Allen and Unwin Ltd] , 1970
.--XII, 128 p. 22 cm. .-- ( Unwin University Books;v. 11 ).
PLANIFICACION ECONOMICA