Velychko, Oleh, Oleh Hrabovskyi, Tetyana Gordiyenko, and Serhii Volkov. 2021. “Modeling of a System of Quality Assessment Indicators of Measuring Instruments”. Eastern-European Journal of Enterprise Technologies 2 (9 (110):69-78. https://doi.org/10.15587/1729-4061.2021.228853.