Global Journal of Flexible Systems Management
Global Journal of Flexible Systems Management > 2010 > 11 > 1-2 > 39-54
Global Journal of Flexible Systems Management > 2014 > 15 > 2 > 131-143
Global Journal of Flexible Systems Management > 2010 > 11 > 1-2 > 39-54
Global Journal of Flexible Systems Management > 2014 > 15 > 2 > 131-143