TY - CPAPER AU - S. Slotwinski TI - BLANK PROMISSORY NOTE IN POLISH B2C TRANSACTIONS - STRENGTHENING OR WEAKENING THE PROTECTION OF CONSUMER RIGHTS? T2 - 5th International Multidisciplinary Scientific Conference on Social Sciences and Arts SGEM 2018 PY - 2018 SP - 423 EP - 428 DO - 10.5593/sgemsocial2018/1.2/S02.056 PB - STEF92 Technology ER -