THIS PHD PROJECT CONCERNS THE FORMATION OF A PROFESSIONAL SCIENTIFIC PROFILE WITH SKILLS IN THE FIELD OF ECONOMIC AND MANAGEMENT ENGINEERING AIMED AT THE DEVELOPMENT AND APPLICATION OF MODELLING SYSTEMIC APPROACHES TO SUPPORT THE INTEGRATION OF SUSTAINABILITY IN STRATEGIC DECISIONS OF PREDOMINANTLY SMALL AND MEDIUM-SIZED ENTREPRENEURIAL REALITIES. THANKS TO THE CLOSE COLLABORATION BETWEEN INDUSTRIAL REALITY AND UNIVERSITY, THE PHD STUDENT WILL BE ABLE TO UNDERSTAND THE CRITICALITIES OF THE USE OF STRUCTURED APPROACHES IN OPERATIONAL CONTEXTS THAT TYPICALLY FACE SCARCE RESOURCES AND LACK OF STRUCTURED APPROACHES TO INNOVATION. THE PHD STUDENT WILL DEVELOP THE SKILLS TO REPLICATE THE DEVELOPMENT AND IMPLEMENTATION PROCESS IN APPLIED CONTEXTS NEW. THE PROJECT PROPOSAL AIMS TO BRIDGE A GAP THAT EMERGED IN THE LITERATURE RELATED TO THE NEED FOR PRACTICAL APPROACHES TO SUPPORT DECISION-MAKING. THE ACTIVITIES OF INTERNATIONALIZZATIONION