edited by John A. Hornaday, Jeffry A. Timmons, Karl H. Vesper

Center for Entrepreneurial Studies, Babson College 1983

所蔵館3館

edited by Karl H. Vesper

Center for Entrepreneurial Studies, Babson College c1982

所蔵館2館

edited by Karl H. Vesper

Center for Entrepreneurial Studies, Babson College c1981

所蔵館2館