How to write an opening report on the role of etiquette in business negotiations

The title of my thesis is: (The Role of Business Etiquette in Business Negotiation)

Now I have all the thinking materials, but the teacher always says that the "content of the paper research" in my opening report is not good. Please help me think of 2-5 articles. At present, I have only passed one article, that is, article 5:

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5. How to do business etiquette in business negotiation?

There is also a small translator for me to translate manually.

Business etiquette is a code of conduct that reflects mutual respect in business activities. The core of business etiquette is the code of conduct, which is used to restrain all aspects of our daily business activities. The core function of business etiquette is to show mutual respect between people. In this way, it is more important for us to learn business etiquette. We can simply sum up business etiquette, which is a general requirement for people's gfd and etiquette in business activities.

Business negotiation refers to the process in which different economic entities determine possible business opportunities through communication, negotiation, compromise, cooperation and strategy for their own economic interests and meeting each other's needs.

There are many factors that promote the success of business negotiation, but etiquette plays a very important role in negotiation. Treating people with courtesy in negotiation not only reflects one's education and quality, but also affects the thoughts and feelings of the negotiating opponents to some extent.