Peter, B. (2014). Bulgarian mathematical competitions 2003-2006. Kolkata: Levant Books.
Chicago Style CitationPeter, Boyvalenkov. Bulgarian Mathematical Competitions 2003-2006. Kolkata: Levant Books, 2014.
MLA CitationPeter, Boyvalenkov. Bulgarian Mathematical Competitions 2003-2006. Kolkata: Levant Books, 2014.
Warning: These citations may not always be 100% accurate.