Browsing by Author Ooi Ying Cheing
Showing results 1 to 1 of 1
| Issue Date | Title | Author(s) |
|---|---|---|
| 2011 | The effectiveness of garbage enzyme and effective microorganisms (em) solution in water treatment | Ooi Ying Cheing |
| Issue Date | Title | Author(s) |
|---|---|---|
| 2011 | The effectiveness of garbage enzyme and effective microorganisms (em) solution in water treatment | Ooi Ying Cheing |