Research reports, economic studies, (1991) :
| Awdur Corfforaethol: | |
|---|---|
| Fformat: | Llyfr |
| Iaith: | English |
| Pynciau: | |
| Classic Catalogue: | View this record in Classic Catalogue |
| Disgrifiad Corfforoll: | 646 pages : illustrations ; 30 cm. |
|---|---|
| Llyfryddiaeth: | Includes bibliographical references |