Llwytho...
On the theory and measurement of technological change /
| Prif Awdur: | |
|---|---|
| Fformat: | Printed Book |
| Iaith: | English |
| Cyhoeddwyd: |
Cambridge:
Cambridge University press,
1968.
|
University of Calicut
| Rhif Galw: |
338.01 BRO/O |
|---|---|
| Copi | Nid yw'r Statws Byw ar Gael |