Zbigniew Kuniewicz. "HANDWRITTEN SIGNATURE AS A CONSTRUCTIONAL COMPONENT OF A FORM OF LEGAL ACT IN THE POLISH CIVIL LAW." 5th International Multidisciplinary Scientific Conference on Social Sciences and Arts SGEM 2018, 2018, pp. 553-560. https://doi.org/10.5593/sgemsocial2018/1.2/S02.073