Europa → Bulgarien
Politbarometăr Jg. 24 (2024) Broj 9, Oktomvri
Sofija : FES Bălgarija, Godina 18 (2018)-Politbarometăr Jg. 24 (2024) Broj 10, 1 Noemvri-15 Dekemvri
Sofija : FES Bălgarija, Godina 18 (2018)-Polit-Barometer Jg. 24 (2024) Issue 2, Febr. 1st – March 6th
Sofia : FES Bulgaria, Year 18 (2018)-Polit-Barometer Jg. 24 (2024) Issue 3, 7th-31st March
Sofia : FES Bulgaria, Year 18 (2018)-Polit-Barometer Jg. 24 (2024) Issue 5, May 6th-31st
Sofia : FES Bulgaria, Year 18 (2018)-Polit-Barometer Jg. 24 (2024) Issue 4, April 1st-May 6th
Sofia : FES Bulgaria, Year 18 (2018)-Polit-Barometer Jg. 24 (2024) Issue 6, June
Sofia : FES Bulgaria, Year 18 (2018)-Polit-Barometer Jg. 24 (2024) Issue 7, July-August
Sofia : FES Bulgaria, Year 18 (2018)-Polit-Barometer Jg. 24 (2024) Issue 10, Nov. 1st - Dec. 15th
Sofia : FES Bulgaria, Year 18 (2018)-Polit-Barometer Jg. 24 (2024) Issue 8, September
Sofia : FES Bulgaria, Year 18 (2018)-Polit-Barometer Jg. 24 (2024) Issue 9, October
Sofia : FES Bulgaria, Year 18 (2018)-Polit-Barometer Jg. 24 (2024)
Sofia : FES Bulgaria, Year 18 (2018)-Polit-Barometer Jg. 24 (2024) Issue 1, January
Sofia : FES Bulgaria, Year 18 (2018)-Toward innovation-driven growth
country briefing Bulgaria : innovation systems and policies in EU member states of Central Eastern EuropeBudapest : Friedrich-Ebert-Stiftung, [2024]Youth study Bulgaria 2024
optimism for the self, pessimism for society: Bulgaria's youth facing times of insecuritySofia : Friedrich-Ebert-Stiftung, 2024Izsledvane na mladežta Bălgarija 2024
optimizăm za ličnostta, pesimizăm za obščestvoto: Bălgarskata mladež văv vremena na nesigurnostSofija : Friedrich-Ebert-Stiftung, 2024Gewerkschaftsmonitor / Bulgarien (2024-2025). Januar 2024 - Mai 2025
Berlin : Friedrich-Ebert-Stiftung, 2019-Gewerkschaftsmonitor / Bulgarien (2023)
Berlin : Friedrich-Ebert-Stiftung, 2019-Politbarometăr Jg. 23 (2023) Broj 3, 1 Mart-5 April
Sofija : FES Bălgarija, Godina 18 (2018)-Politbarometăr Jg. 23 (2023)
Sofija : FES Bălgarija, Godina 18 (2018)-