34 | Cond | Conditions of undertaking and carrying out business activity in the border areas of Poland and Ukraine [Текст] / The John Paul 2 Catholic university of Lublin ; ed. by R. Biskup, M. Ganczar. — Lublin : Catholic university of Lublin, 2007. — 101 p. |
| ISBN 978-83-7363-502-9 | |
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