Volume 6, 22-23, February 2005, Pages 28-57
10.22091/pfk.2004.333
Hussein Atrak
Volume 4, 14-15, August 2002, Pages 129-140
10.22091/pfk.2002.421
Ahmad Reza Shahrokhi
Volume 1, Issue 2, February 2000, Pages 7-21
10.22091/pfk.1999.463
moohamad Kazem Shaker