"Textbooks" . "Textbooks"@en . . . . . . "Problems and exercises" . "Problems and exercises"@en . . . . . . "Life in society : listening, note taking, discussion" . . . . . . . . "Academic listening encounters life in society : listening, note taking, discussion"@en . . "Academic listening encounters : life in society : listening, note taking, discussion" . "Academic listening encounters : life in society : listening, note taking, discussion"@en . . . . . . . "Readers Social problems." . . "English language Textbooks for foreign speakers." . . "English language Usage." . . . . "Social problems Problems, exercises, etc." . . "English language." . . "Listening Problems, exercises, etc." . .