Astronomical Observatories, World Network, Chad Homepage Astronomical Observatories, World Network, Chad Study Learning Training Coaching Syllabus Astronomical Observatories, World Network, Chad Syllabus Astronomical Observatories, World Network, Chad Learning Training Coaching Evaluation URL: http://www.societalsystem.com/ftd/ksde.ftd/xsa.ksde.ftd/gs0055.ksde.ftd.html StSNmr: 00 - StSTop: ksde.ftd - StSFil: gs0055.ksde.ftd Date: 02.07.2016 Author(s): SocietalSystem-Editors Trainer Coacher: ............................ Manager: ........................................ Contact: contact@societalsystem.com