Аннотация
This article analyzes the theoretical evolution and contemporary conceptual models of project management mechanisms in public institutions in the context of sustainable development. The relevance of this study lies in the fact that public sector projects are characterized by multi-level stakeholder participation, high levels of accountability and institutional constraints, and growing demands for sustainable development. The aim of this study is to systematize classical and contemporary theoretical approaches to project management, identify their specific features in the public sector context, and present an integrated conceptual model that incorporates sustainable development principles. The study utilized a theoretical and analytical approach, including a systematic literature review, bibliometric analysis, comparative analysis, and conceptual synthesis. Based on publications in Scopus and Web of Science databases, the position of project management governance and sustainability topics in academic discourse was analyzed. The study identified stages in the evolution of project management mechanisms and proposed a typology of project management in the public sector from a sustainable development perspective. Furthermore, a conceptual model was developed that integrates project management principles, institutional theory, and the “triple bottom line” concept. The study’s findings demonstrate the theoretical and practical importance of considering project management in public institutions as a management system that ensures public value and long-term sustainable development. The findings emphasize that project management in public organizations should be considered not only as a tool for regulating internal processes but also as a comprehensive governance system that enhances public value and ensures long-term sustainable development. This provides opportunities for strategic project planning, effective resource allocation, and achieving sustainable development goals.