Visualization System and Units World Network, Sudan Homepage Visualization System and Units World Network, Sudan Study Learning Training Coaching Syllabus Visualization System and Units World Network, Sudan Syllabus Visualization System and Units World Network, Sudan Learning Training Coaching Tools URL: http://www.societalsystem.com/fsu/vsx.fsu/xsa.vsx.fsu/gs0051.vsx.fsu.html StSNmr: 00 - StSTop: vsx.fsu - StSFil: gs0051.vsx.fsu Date: 02.07.2016 Author(s): SocietalSystem-Editors Trainer Coacher: ............................ Manager: ........................................ Contact: contact@societalsystem.com