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- Bojan zpívá již 135 let1997 | Faculty of Education
- Rumjana DAMJANOVA - Severina Nikolova GEORGIEVA (eds.) et al., Boris Jocov. Biobibliografija, Sofija, Izdatelski centăr "Bojan Penev" pri Institut za literatura - BAN 2018, 271 s., ISBN 978-619-7372-17-52021 | Faculty of Arts