Explanation:

External Sources of Recruitment
External sources of recruitment refer to the sources that lie outside or exist external to the organization.

Sources of external recruitment include:

• People joining an organization, specifically through recommendations.
• Employment agencies( e.g. naukri.com) or employment exchanges.
• Advertising
• Institutes like colleges and vocational schools (e.g. campus selection)
• Contractors
• Hiring unskilled labor
•  List of applications
• Temporary workers.