Page 137 - Mansoura National University

Special thanks to Faculty staff:

D. Shaimaa Ibrahim Eldesouky

D. Rehab Hamdy Abd ellatif Elattar

D. Haidy Elsayed Abd-elkader

D. Ahmed Rezk Ragab

D. Yasmeen Abed Elmansy

D. Samaa Sameh Mohammed

D. Dina Hany Mokhtar

D. mohamed galal

D. Sabah Ahmed Mohamed

D. Ahmed Essam Elmohandes