Slavyanov, Krasimir Ognyanov. 2019. “FUZZY LOGIC PROCEDURE FOR DRAWING UP A PSYCHOLOGICAL PROFILE OF LEARNERS FOR BETTER PERCEPTION IN COURSES”. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference 2 (June): 136-40. https://doi.org/10.17770/etr2019vol2.4073.