The System Approach in Modelling Recreation

Published Online: Dec 22, 2018

Page range: 251 - 260

DOI: https://doi.org/10.2478/mgrsd-1984-010129

Keywords

© 2018 Alicja Krzymowska-Kostrowicka, published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.