How many basic research methods are there for corporate culture?

The main contents of corporate culture research:

I. Concept, structure, principle, etc.

Second, the concept (mission, vision, values, business philosophy, etc.). ).

Third, the system (property rights system, leadership system, management system, etc.). ).

Fourth, code of conduct (employee etiquette, professional behavior, professional ethics, etc.). ).

5. The relationship between man, machine and environment.

Sixth, the influence between different cultures.