Study and teaching -- Chinese language -- 18 English speakers 18 English speakers -- 16 English 13 English language -- 12 French language -- 12 more ... Interactive multimedia 12 Self-instruction 12 Foreign speakers 11 Sound recordings for English speakers 11 Audio-visual aids 10 Textbooks for foreign speakers -- 8 Grammar -- 7 Chinese Language -- 6 Self-instruction -- 6 Arabic language -- 5 Conversation 5 Grammar 5 Study and teaching 5 Computer asisted instruction for foreign speakers 4 Conversation and phrase books 4 Spanish language -- 4 Chinese characters 3 Conversation and phrase books -- 3 Computer assisted instruction for foreign speakers -- 2 Congresses 2 Conversation and phrase book -- 2 Englsih -- 2 International relations -- 2 less ...