Ties within and between the 6 regularly equivalent positions in the trade of agricultural products

Publié en ligne: 10 janv. 2020

Pages: 1 - 3

DOI: https://doi.org/10.21307/joss-2019-049

© 2019 Carl Nordlund published by Sciendo

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