Authors
Mahmoud H. Hegab
Fresh Water and Lakes Division, National Institute of Oceanography and Fisheries (NIOF), Cairo, Egypt
Nasr M. Ahmed
Fresh Water and Lakes Division, National Institute of Oceanography and Fisheries (NIOF), Cairo, Egypt
Shadia M. Kadry
Ain Shams University, Faculty of Girls for Arts, Science and Education, Cairo, Egypt
Radwa A. ElSayed
Ain Shams University, Faculty of Girls for Arts, Science and Education, Cairo, Egypt
Mohamed E. Goher
Fresh Water and Lakes Division, National Institute of Oceanography and Fisheries (NIOF), Cairo, Egypt