Study and teaching 34 Spanish language -- 31 Spanish language 7 English language -- 4 Communication 3 Oral communication 3 Presentation 3 more ... Public speaking 3 Self confidence 3 Speech 3 Current events 2 Current events -- 2 French language -- 2 German language -- 2 Manual 2 Politics and government -- 2 Problems, exercises, etc 2 Readers -- 2 Reading -- 2 Textbooks for foreign speakers 2 Backed securities 1 Biological arms control 1 Business -- 1 Case studies 1 Chemical arms control 1 China 1 Commerce 1 Commodity exchanges -- 1 Computer programs 1 Consolidation and merger of corporation -- 1 less ...