Popivanov, Boris
geb. 1981Youth study Bulgaria 2018/2019
Berlin : Friedrich-Ebert-Stiftung, Referat Mittel- und Osteuropa, 2019Balgarskata mladež 2018/2019
Sofija : Fondacija Fridrich Ebert Bjuro Bălgarija, 2019Youth study Bulgaria 2024
optimism for the self, pessimism for society: Bulgaria's youth facing times of insecuritySofia : Friedrich-Ebert-Stiftung, 2024