Bulgarien, Ministerstvo na Obrazovanieto i Naukata2014-05-212014-05-212002http://curricula-depot.gei.de/handle/11163/1667Učebna programa po Geografija i ikonomika - X klas, zadălžitelna podgotovka (părva ravnišče)Учебна програма по География и икономика - X клас, задължителна подготовка (първа равнище)Other772095698http://www.minedu.government.bg/opencms/export/sites/mon/top_menu/general/educational_programs/10klas/geo_10kl-n.pdfBulgarienGeographieunterrichtWirtschaftslehreSekundarstufe 2Schuljahr 10LehrplanOnline Publikationl009u080u030k03z507