@article{koval_andrianova_2022,  title={MERCOSUR in trade policy clusters: challenges and prospects},  volume={42},  ISSN={0101-3157},  url={https://doi.org/10.1590/0101-31572022-3288},  DOI={10.1590/0101-31572022-3288},  number={3},  journal={Brazilian Journal of Political Economy},  publisher={Centro de Economia Política},  author={KOVAL, ALEXANDRA GENNADYEVNA and ANDRIANOVA, EKATERINA KONSTANTINOVNA},  year={2022},  month={Jul},  pages={718–737} }