R. L ยท Richard L.
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Economic growth versus the environment | 978-0-470-52100-7 (0-470-52100-7) | 1975 |
| The economics of natural resources | 978-0-470-26546-8 (0-470-26546-9) | 1979 |
Richard (Lecturer, School of Education, University of Durham) Smith