Ryan, W. J. L.
Price theory / by W. J. L. Ryan. - London : Macmillan, 1958. - ix, 396 p. : ill.
Includes bibliographical references and index.
Microeconomics.
Price theory / by W. J. L. Ryan. - London : Macmillan, 1958. - ix, 396 p. : ill.
Includes bibliographical references and index.
Microeconomics.