Frolov VG, Trofimov OV, Zakharov VY, Kaminchenko DI, Pavlova AA. Opportunities and risks from cooperation among companies within the production sphere and the sphere of services in Russia in the context of industry 4.0. AmazInv [Internet]. 2019 Jun. 25 [cited 2024 Jul. 22];8(20):596-608. Available from: https://amazoniainvestiga.info/index.php/amazonia/article/view/190