| Ref. No. | Title | 41515 | Seasonal abundance, breeding and sex structure of populations of Tilapia nilotica (L.) and Labeo niloticus (F.) in the Jebel Aulia Dam area of the White Nile. | 55098 | Aspects of the biology of the catfish Clarias lazera (Cuv. & Val.) related to its economic cultivation. |
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