Graphic methods for presenting facts
| Prif Awdur: | |
|---|---|
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
New York
The Engineering magazine company
1914.
|
| Cyfres: | Works management library
|
| Pynciau: |
| Prif Awdur: | |
|---|---|
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
New York
The Engineering magazine company
1914.
|
| Cyfres: | Works management library
|
| Pynciau: |