Dotsenko, T. et al. 2023. INTERRELATIONSHIPS OF CASHLESS ECONOMY, SERVICES OF TELECOMMUNICATION COMPANIES AND INDICATORS OF THE SHADOW ECONOMY: MODERN MODELING TECHNIQUES. Socio-economic relations in the digital society. 2, 48 (Jun. 2023), 12–24. DOI:https://doi.org/10.55643/ser.2.48.2023.489.