Volume 31, Issue 2, December 2018, Pages 195-204
Mohamed Abd el-Megid; Ashraf Mounir; A. Abdul Azeem; A. el-Shahat
Volume 30, Issue 1, December 2017, Pages 53-61
Mohamed H.M. Abd el-Megid; A. M. Abdul Azeem; A. N. el-Shahat; H. M.S. Mekawey