Volume 37, April-June, June 2016, Pages 102-115
Mohammad E. El-Denary; Ramadan A.M.Ali; Sara E. Gomaa
Volume 36, OCTOBER- DECEMBER, December 2015, Pages 402-414
Mohamed A. Soliman; Hala A. Abd El-Aal; Ramadan, A. Mohmed; Nabil N. Elhefnawy