What are the first-level disciplines of business administration? Do enterprise management and tourism management belong to the first-class discipline of business administration?

Business administration is a discipline that studies the rules of business activities of profit-making organizations and the theories, methods and technologies of enterprise management. There are four two disciplines, they are:

(1) accounting, mainly studying the theory and method of accounting in business administration;

(2) Enterprise management (including financial management, marketing and human resource management), which mainly studies the business activities, organization and management of enterprises;

(3) Tourism management, focusing on tourism management;

(4) Techno-economic and management science studies the production, circulation and application management of technology, which is the combination of management science and engineering technology science.