If you are searching for a specific curriculum, these publishers are the most common sources for Russian workbooks:
: Focuses on academic and specialized philological literature. naiti gdz rabochii tetrad po russkomu iazyku g.f savchenko
: If you are learning Russian as a foreign language, publishers like Zlatoust and Russky Yazyk. Kursy specialize in workbooks, grammars, and training materials for all proficiency levels. If you are searching for a specific curriculum,
: The leading publisher for standard Russian school textbooks (e.g., Kanakina, Goretsky). naiti gdz rabochii tetrad po russkomu iazyku g.f savchenko