Answer:
1. Internal recruitment. 2.External receuitmen 3. referrals .
Explanation:
Internal recruitment: HR appoints an existing employee to fill in the vacant position. It may either a promotion or a transfer to the employee.
External recruitment: HR may advertise for vacant positions in the newspapers or online. Interested candidates will apply, which gives HR a chance to pick a new employee to fill the vacancy.
Referral: HR may seek references from existing employees or other professionals. The new employee selection is the basis of obtained referrals.
