Volume 30, Issue 4, April 2020, Pages 19-34
10.22108/gep.2020.120186.1232
mohamad sharifi; Gholam Reza Tajbakhsh
Volume 21, Issue 1, June 2010, Pages 105-130
M. Khayyam; H. Hoseyni ÙAmini; R. Samadzadeh