Integration modelling in sustainable development projects of enterprises

The widespread use of project management methodologies shows a fundamental shift in how organizations struggle to cope with the complexity and volatility of the external environment. Decision making plays an important role throughout the entire project life cycle. The article examines the well-known methods of decision-making in project and program management and their analysis, in terms of procedures for systemic completeness and integration methodologies for managing projects, programs and project portfolios. This research focuses on the relationship between project management and decision-making processes, as well as potential opportunities for the integration of these scientific areas.