Samoylenko S, Mazurkevich O. Relational Theory of Active Systems Development (RTDAS v1.1): Structural Retention vs. Saturation in the Global B2B SaaS Market (2020–2026). JCP [Internet]. 2026 Mar. 31 [cited 2026 Apr. 4];2(1):14-32. Available from: https://academichub.eu/CreativePerspectives/index.php/journal/article/view/31