Volume 32, Issue 1-C, June 2021, Pages 11-16
mariam thabit; Sayed Bakry; Yakout A. El-senosia; Samy Ali Hussein
Volume 21, Issue 1-C, June 2010, Pages 13-26
A. ABDULLAH; S. BAKRY; A. ABD EL-BAKY; A. MANSOUR