: Part of the "School of Russia" ( Shkola Rossii ) curriculum, which is the most widely used in Russian schools.
The most common 3rd-grade Russian language workbooks available on platforms like GDZ.ru include: gdz po russkomu iazyku 3 klass tpo
: Part of the "Planet of Discovery" ( Planeta Otkrytiy ) series. : Part of the "School of Russia" (