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