SGEM 2017 : 4th international multidisciplinary scientific conferences on social sciences and arts, 24 - 30 August 2017, Albena, Bulgaria. 2, Psychology and psychiatry, language & linguistics / / reviewers Antonietti Alessandro, Alois Ghergut . Sofia :  STEP92 Technology , 2017 . [1129] s . ISBN 978-619-7408-19-5 .