Gado, M.S., N.B. Mahfouz, T.M.A. Abd-Rabo & A.H. Hamouda. (2014). Epizootiological studies on some adult digeneans in Clarias gariepinus with special emphasis on two new species in Kafr El-Sheikh fish farms. Kafrelsheikh Veterinary Medicine Journal. 12 (2): 175–202.