@article{Kiseleva_Lebedev_Pinkovetskaia_Rojas-Bahamón_Arbeláez Campillo_2019, title={Specialization and concentration of small and medium enterprises employees: Russian data}, volume={8}, url={https://www.amazoniainvestiga.info/index.php/amazonia/article/view/59}, number={20}, journal={Amazonia Investiga}, author={Kiseleva, O. and Lebedev, A. and Pinkovetskaia, I. and Rojas-Bahamón, Magda and Arbeláez Campillo, Diego}, year={2019}, month={Jun.}, pages={6-15}