: Official digital records of various editions, such as those from 2025 or earlier, are cataloged in the Russian State Library (RGB) through the National Electronic Library (NEB) .
: For interactive practice and testing based on the Grade 3 curriculum (covering topics like Society, Nature, and Biology), websites like YaClass offer structured lessons and digital tasks . Important Distinction : Official digital records of various editions, such
: Educational groups on social media platforms like VK often share PDF files of workbooks for different curricula, including "Perspective" and "Zankov" programs . including "Perspective" and "Zankov" programs .