Global Journal of Flexible Systems Management
Global Journal of Flexible Systems Management > 2013 > 14 > 2 > 115-122
Global Journal of Flexible Systems Management > 2014 > 15 > 1 > 25-38
Global Journal of Flexible Systems Management > 2014 > 15 > 2 > 161-168
Global Journal of Flexible Systems Management > 2017 > 18 > 4 > 353-366