Petrushenko, Natalia, et al. “Information Control Systems And Technologies For Assessing The Degree Of Preparedness Of Enterprises For Innovative Activities With The Help Of Markov Chains”. Modeling, Control and Information Technologies: Proceedings of International Scientific and Practical Conference, no. 5, Nov. 2021, pp. 107-9, doi:10.31713/MCIT.2021.29.