TY - CPAPER AU - A. Laska TI - SOCIAL SOLIDARITY IN POLISH POLITICAL AND SOCIO-ECONOMIC THOUGHT IN THE PERIOD 1918-1939 T2 - 4th International Multidisciplinary Scientific Conference on Social Sciences and Arts SGEM 2017 PY - 2017 SP - 331 EP - 338 DO - 10.5593/sgemsocial2017/22/S08.044 PB - STEF92 Technology ER -