"Отбор" [The Team]. Professional Football Club Slavia (in Bulgarian). PFC Slavia Sofia. Archived from the original on 18 April 2023. Retrieved 26 July 2023.
"Отбор" [The Team]. Professional Football Club Slavia (in Bulgarian). PFC Slavia Sofia. Archived from the original on 18 April 2023. Retrieved 26 July 2023.