@article{Pustynnikova_Pinkovetskaia_Uskova_2018, title={Influence of cluster integration on innovation activity: evidence of Russian regions}, volume={7}, url={https://amazoniainvestiga.info/index.php/amazonia/article/view/452}, number={15}, journal={Amazonia Investiga}, author={Pustynnikova, E. and Pinkovetskaia, I. and Uskova, E.}, year={2018}, month={Aug.}, pages={222-233}