Volume 21, Issue 8, October 2018, Pages 115-119
10.22038/ijogi.2018.12003
Nayereh Ghomian; Somayeh Moeindarbari; Mahla Bakhtiarinasab
Volume 11, Issue 2, July 2008, Pages 61-64
10.22038/ijogi.2008.5932
Hassan Boskabadi; Gholamali Mamori
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