TY - JOUR PB - Polish Academy of Sciences L1 - http://journals.pan.pl/Content/121014/PDF/Migracje_22_23.pdf L2 - http://journals.pan.pl/Content/121014 PY - 2015 IS - Nr 1 (3) Migrations - Special Edition EP - 23 DA - 2021.10.04 T1 - Five Necessary Steps SP - 22 UR - http://journals.pan.pl/dlibra/publication/edition/121014 T2 - ACADEMIA. The magazine of the Polish Academy of Sciences ER -