Volume 6, Issue 1, March 2017, Pages 37-53
10.22108/ijgt.2017.12010
Joe Gildea
Volume 4, Issue 4, December 2015, Pages 49-59
10.22108/ijgt.2015.5452
Wolfgang Kimmerle
Volume 2, Issue 1, March 2013, Pages 175-185
10.22108/ijgt.2013.2759
Mohamed Salim