TOFI: www.tofi.or.id Mestakung: www.mestakung.com Surya Institute: www.suryainstitute.org Asian Science Camp 2008: www.suryainstitute.org/asc2008 The First Step to Nobel Prize: http://www.ifpan.edu.pl/firststep/ IPhO: http://www.jyu.fi/kastdk/olympiads/ APhO: www.apho.com IJSO: www.ijso-official.org Fisika Asyik: www.fisikaasyik.com