S. Slotwinski. "BLANK PROMISSORY NOTE IN POLISH B2C TRANSACTIONS - STRENGTHENING OR WEAKENING THE PROTECTION OF CONSUMER RIGHTS?." 5th International Multidisciplinary Scientific Conference on Social Sciences and Arts SGEM 2018 (2018): 423-428. https://doi.org/10.5593/sgemsocial2018/1.2/S02.056