About this article
Published Online: Sep 29, 2020
Page range: 4 - 15
DOI: https://doi.org/10.2478/njd-2016-0010
Keywords
© 2016 Hilde Rustad et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.
Rustad, Hilde
Skreiberg, Marit