For citations:
Leonov A.G., Pervin Yu.A. SOFTWARE INSTRUMENTS FOR PRESCHOOL AND PRIMARY SCHOOL EDUCATION IN INFORMATICS. Informatics in school. 2018;1(8):34-38. (In Russ.) https://doi.org/10.32517/2221-1993-2018-17-8-34-38
Leonov A.G., Pervin Yu.A. SOFTWARE INSTRUMENTS FOR PRESCHOOL AND PRIMARY SCHOOL EDUCATION IN INFORMATICS. Informatics in school. 2018;1(8):34-38. (In Russ.) https://doi.org/10.32517/2221-1993-2018-17-8-34-38