MainAuthors Astafev Rustam U. graduate student MIREA – Russian Technological University , Moscow, Russian Federation ARTICLES: The Main Approaches to the Formation of Mathematical and Simulation Models Based on Knowledge Bases in Software Development Computational Nanotechnology — Issue №5 2024: 142-151 An IT Company as a Non-Stationary Stochastic Organizational System: Assessment of Efficiency and Risks of Overload by the Method of Simulation Modeling Computational Nanotechnology — Issue №2 2026: 191-198