タスクで学ぶ日本語ビジネスメール・ビジネス文書Task-Based Learning: Business Japanese Emails and DocumentsWritten by the same author. Focuses on writing skills to complement your speaking practice.
人を動かす!実戦ビジネス日本語会話 上級Practical Business Japanese Conversation: Advanced LevelAdvanced conversation practice for negotiation and persuasion, perfectly matching your current level.
新・にほんご敬語トレーニングNew Japanese Keigo TrainingIntensive training to master honorifics, essential for high-level business interactions and trust.
BJTビジネス日本語能力テスト 聴解・聴読解 実力養成問題集 第2版BJT Business Japanese Proficiency Test: Listening PracticeTargeted listening practice to prepare for the BJT proficiency test and improve comprehension.
ビジネス日本語マスターテキストBusiness Japanese Master TextComprehensive guide covering all business communication aspects, including charts, documents, and meetings.