Showing 1 - 4 of 4 results for Type of Collaboration: Collecting or sharing data [x] remove filters Dragomir Stefanov Associate Professor at University of National and World Economy View Profile Nikolay Dragomirov Associate Professor at University of National and World Economy View Profile Angel Marchev, Jr. Professor at University of National and World Economy View Profile Krasimir Marinov Professor at University of National and World Economy View Profile