Astronomical Observatories, World Network, World Homepage Astronomical Observatories, World Network, World Study Learning Training Coaching Syllabus Astronomical Observatories, World Network, World Syllabus Astronomical Observatories, World Network, World Learning Training Coaching Methods and Didactics URL: http://www.societalsystem.com/wrd/ksde.wrd/xsa.ksde.wrd/gs0052.ksde.wrd.html StSNmr: 00 - StSTop: ksde.wrd - StSFil: gs0052.ksde.wrd Date: 02.07.2016 Author(s): SocietalSystem-Editors Trainer Coacher: ............................ Manager: ........................................ Contact: contact@societalsystem.com