Putyatina , L.M., Tikhonov , G.V., Lavrova , L.A. and Arsenieva , N.V. 2021. Business activity of enterprises as a factor in accelerating technological progress in the economy. Journal of the University of Zulia . 12, 34 (Aug. 2021), 133-149. DOI:https://doi.org/10.46925//rdluz.34.09.