For citations:
Bosova L.L., Bosova A.Yu., Filippov V.I. "Program, learn and play !". The course of extracurricula r activities for students of grades 3–6. Informatics in school. 2021;(6):1-15. (In Russ.) https://doi.org/10.32517/2221-1993-2021-20-6-3-15