2024. A Method for the Compressibility Factor Calculation of Natural Gas-Hydrogen Blends, Using a Regression Equation and an Artificial Neural Network Algorithm. Visnyk of Vinnytsia Politechnical Institute. 3 (Jun. 2024), 6–13. DOI:https://doi.org/10.31649/1997-9266-2024-174-3-6-13.