"Russian language Study and teaching Foreign speakers." . . . . . . . . "Russkiĭ i︠a︡zyk dli︠a︡ inostrant︠s︡ev : sbornik stateĭ" . "Russkiĭ i︠a︡zyk dli︠a︡ inostrant︠s︡ev" . . . "Textbooks" . . . . . . . .