| Ref. No. | Title |
|---|---|
| 55021 | Preliminary studies on the food of Tilapia esculenta Graham. |
| 56122 | The relationship between fecundity and fertility in the mouthbrooding cichlid fish Tilapia leucosticta. |
| 56123 | Observations on the biology of the introduced species of Tilapia in Lake Victoria. |