Korchagina, E. L. Russkij jazyk pervıye rezultaty / E.L Korchagina, N. V. Smykunova. - 253 s.; 20 cm. + 1 CD ISBN: 9785883371430 Subjects--Topical Terms: Russian language--Study and teachingRussian language--Grammar--Problems, exercises, etc. LC Class. No.: PG2065