00594naa#a2200169#i#450# EN\\bibl\17215 20241221084011.6 1999-5644 20170620b2017####ek#y0engy0150####ca RU Development of convergent and divergent thinking among pupils of teenage Journal article CHERKIZOVO Russian State University of Tourism and Service 2017 7 с. Journal article local Туристско-экскурсионное обслуживание. 71.37 grnti Avdyunina Nataliya naukaru.ru