1. Vlasov, A.I., Ganev, Yu.M., Karpunin, A.A. (2015). System analysis of "lean production" by visual modeling tools. Information Technologies in Design and Production, no. 4 (160),19-24;
2. Koznov, D.V. (2004). Languages of visual modeling: software design and visualization.Publishing House of St. Petersburg State University, St. Petersburg;
3. Akhter, F. (2017). Unlocking digital entrepreneurship through technical business process. Entrepreneurship and Sustainability Issues, vol. 5, no. 1, 36-42. https://doi.org/10.9770/jesi.2017.5.1(3);
4. Abbas, S.A. (2018). Entrepreneurship and information technology businesses in economic crisis. Entrepreneurship and Sustainability Issues, vol. 5, no. 3, 682-692. https://doi.org/10.9770/jesi.2018.5.3(20);
5. Balybin, V.M., Muromtsev, D.Yu., Muromtsev, Yu.L., Orlova, L.P. (2004). Information technologies for designing radio-electronic means.TSTU, Tambov;