Fuzzy Sets, Fuzzy Logic, Applications - George Bojadziev; Maria Bojadziev (World Scientific, 1996)

Fuzzy Logic for Business, Finance, and Management - George Bojadziev; Maria Bojadziev; Lotfi A. Zadeh (World Scientific, 1997)

Fuzzy Logic for Business, Finance, and Management - 2nd Edition - George Bojadziev; Maria Bojadziev (World Scientific, 2007)