Volume 28, Issue 1, March 2020, Pages 131-139
Amal K Abou El-Goud
Volume 14, Issue 2, September 2006, Pages 613-623
Abo-Sedera S.A.
Volume 13, Issue 3, September 2005, Pages 901-913
Kh.A. Khalid,; Shafei A.M.