Volume 48, Issue 1, 2020, Pages 1-13
Atef Shahin; Ibrahim Draz; Samar Esmail
Volume 48, Issue 1, 2020, Pages 14-28
Atef Shahin; Wasef Youssif; Doaa EL-Naggar
Volume 42, Issue 1, June 2014, Pages 71-82
Mamdouh Ashmawy; Walid El-Orabey; Abd El-Aziz Abu Aly; Atef Shahin