The manufacture of iron and steel : a series of programmed learning texts /
Wedi'i Gadw mewn:
| Prif Awdur: | |
|---|---|
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
London :
Heinemann Educational,
1971.
|
| Pynciau: |
| Disgrifiad Corfforoll: | 83p : illus ; 22cm. |
|---|---|
| ISBN: | 0435772015 (Pbk) : |