Evaluation of Some Chemical Parameters as Potential Determinants of Fresh Water Snails with Special Reference to Medically Important Snails in Egypt
- H.M. El-Khayat
- N.M. Ismail
- K.M. Mahmoud
- F.M. Ragb
- K.M. El-Said
- B. B. Mostafa
- F. A. El- Deeb
- A.A. Tantawy