Volume 25, Issue 1, January and February 2013, Pages 17-22
10.22038/ijorl.2012.62
Amin Rahpeyma; Saeedeh khajehahmadi
Volume 24, Issue 3, July and August 2012, Pages 143-146
10.22038/ijorl.2012.187
Amin Rahpeyma; Saeedeh khajehahmadi; Vahid Reza Hosseini; Hamidreza Azimi