Kotlubai, V., Kapustian, I., & Redina, Y. (2026). DIGITAL INNOVATIONS IN INFORMATION SYSTEMS FOR SUPPORTING STRATEGIC MANAGERIAL DECISION-MAKING AS A FACTOR IN CHANGING THE ECONOMIC EFFICIENCY OF MARKETING START-UP PROJECTS UNDER CRISIS CONDITIONS. Current Problems of Sustainable Development, 3(3), 161-169. https://doi.org/10.60022/3(3)-19S