Marian BUTU (2019). TOOLS FOR QUANTITATIVE AND QUALITATIVE ANALYSIS ON BIOECONOMY. SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 19th International Multidisciplinary Scientific GeoConference SGEM2019, Nano, Bio, Green and Space: Technologies for Sustainable Future, 1025-1030. https://doi.org/10.5593/sgem2019/6.1/s25.132