Volume 48, Issue 4, January 2019, Pages 961-977
10.22059/jpq.2018.228656.1007028
Sadegh Zibakalam; Mohammad Bidgoli
Volume 42, Issue 3, October 2012, Pages 79-93
10.22059/jpq.2012.29988
Kiamars Jahangir; Ibrahim Shafeepur