The use of external information by managers in larger industrial companies, with special reference to the role of electronic external information services [microform] /
by Angela D. Conyers
- Wetherby, W. Yorks : The British Library Document Supply Centre, 1989
- 5 microfiches ; 11 x 15 cm.
Thesis (Ph.D) - The City University, 1989.
Business information services--Use studies--United States