The Dale Carnegie course in effective speaking, human relations and developing courage and confidence, improving your memory, leadership training : how the course is conducted and what you do at each session

معرفی کتاب «The Dale Carnegie course in effective speaking, human relations and developing courage and confidence, improving your memory, leadership training : how the course is conducted and what you do at each session» نوشتهٔ Dale Carnegie & Associates, Inc.، منتشرشده توسط نشر Dale Carnegie در سال 1989. این کتاب در فرمت pdf، زبان انگلیسی ارائه شده است.