00708naa#a2200181#i#450# EN\INFRA-M\bibl\37506 20241105055144.2 1998-1740 20200529b2020####ek#y0engy0150####ca RU Methodological Features of the Development of Creative Abilities in the Framework of “Cryptography” Elective Course for Students in 10–11 Grades Journal article Moscow INFRA-M Academic Publishing LLC. 2020 4 с. Journal article local Образование. Воспитание. Обучение. Организация досуга. 37 Alekseeva A. R. Sharonova O. V. naukaru.ru