| # | Название статьи | Номер выпуска | Год выпуска | |
|---|---|---|---|---|
| 1. |
The Transformation of the Port Industry Plants with the Aim of Increasing the Importance of Services. Case Studies
(Ekonomiczne Problemy Usług) |
nr 119 2015 | 2015 | Go |
| 2. |
Gross value added in services - a case study of the sea port in Szczecin
(Ekonomiczne Problemy Usług) |
nr 124 2016 | 2016 | Go |