What are the channels for human resources development (i.e. recruitment methods)?

There are probably the following categories:

1. Website recruitment (including three commonly used websites: 5 1, Zhilian and Cai Ying (now 58); There are other regional websites and professional websites. )

2 job fairs on-site recruitment (including special job fairs and regional job fairs)

3. Media recruitment (including newspaper information, TV advertisements, sponsorship, etc.). )

4. Internal recommendation (internal employee recommendation, leadership default, etc. )

5. Headhunting companies (generally for senior positions)

6. Campus recruitment (campus job fairs or presentations, only for fresh graduates and interns)

7. Self-media recruitment (WeChat, WeChat official account, etc.). )