Utilizing by-products and wastes
| Egile nagusia: | |
|---|---|
| Formatua: | Liburua |
| Hizkuntza: | ingelesa |
| Argitaratua: |
Makati, Metropolitan Manila
Business Technology Corp.
c1977.
|
| Saila: | Publication series Developing Philippine business enterprises
BTC book 103 |
| Gaiak: |