Volume 20, Issue 2, September 2016, Pages 27-39
Hassan S Ghatass; Ibranim El Arabi; Mahmoud El Gendy
Volume 19, Issue 2, September 2015, Pages 1-8
Samah El kefafy; Ahmed Mirdan; Gamal Abouelenean
Volume 17, Issue 2, September 2013, Pages 136-146