Wyniki
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Medication Insurance Policy – a New Insurance Product in the Polish Health Care System
Anna Piechota
Olsztyn Economic Journal , 10 /4 (2015) s. 327-338 -
Methods of Increasing Labour Productivity in Service Enterprise
Elżbieta Skąpska, Ewa Rollnik-Sadowska, Ewelina Konicka
Olsztyn Economic Journal , 12 /4 (2017) s. 387-399