TY JOUR TI Methodological Features of the Development of Creative Abilities in the Framework of “Cryptography” Elective Course for Students in 10–11 Grades KW creativity KW elective courses KW secondary education KW cryptography JO Standards and Monitoring in Education AU Alekseeva, A.R. AU Sharonova, O.V. PY 2020 IS 8 PB INFRA-M Academic Publishing LLC.