Gogunskii, V., Kolesnikov, O., Oborska, G., Moskaliuk, A., Kolesnikova, K., Harelik, S. and Lukianov, D. 2017. Representation of project systems using the Markov chain. Eastern-European Journal of Enterprise Technologies. 2, 3 (86) (Apr. 2017), 60–65. DOI:https://doi.org/10.15587/1729-4061.2017.97883.