The chemical engineer
| Egile nagusia: | |
|---|---|
| Erakunde egilea: | |
| Formatua: | Liburua |
| Hizkuntza: | English |
| Argitaratua: |
[Manila]
Rotary Club of Manila
[date of publication not identified]
|
| Saila: | Brief studies in occupations, Rotary series
no.22 |
| Gaiak: |