Main research results, with wider importance are: - Management and organization: determining the relationship between governance and management, analyzing governance in wider organizational context, proving that leadership is part of management, developing solutions for greater realization of organizational strategies with help of projects, analyzing modern approaches to managing costs, determining different theoretical concepts in the filed of organizational learning and knowledge management, develoment of KM framework for practical implementation. - Informatics: development of metodological approach to business rules handling in business process reingeniering, research in implementation of e-commerce for more sucessful implementation of such projects, two new approaches in the filed of information systems and linear programing: methodology TAD in algorithem Push-Pull, business simulations, microsimulation tehniques.