Litvinenko, I., Pinkovetskaya, J., Korolkov, V., Protas, V., Solovyh, N., & Terskaya, G. (2018). Differentiation of small and medium enterprises based on headcount. Revista Publicando, 5(16 (2), 290-303. https://revistapublicando.org/revista/index.php/crv/article/view/1666