G. Cherniyavskyi, V., I. I. Stetsiv, T. Ponomarova, V. Borkovska, y D. V. Slobodyan. «Integration of Flexibility Concepts in the Management, Accounting and Financial Accounting System: Effectiveness of the Agile Methodology». Revista San Gregorio, vol. 1, n.º 42, diciembre de 2020, doi:10.36097/rsan.v1i42.1557.