N. Vasyltsova, I. Panforova, and A. Popova, “The task of quantitative assessment of changes in the long-term IT project management system”, in Management of a modern IT сompany: theoretical and technological aspects, M. Yevlanov, Ed. Tallinn, Estonia: Scientific Route OÜ®, 2025, pp. 170–213. doi: 10.21303/978-9908-9706-8-4.ch5.