what are the merits and demerits of internal sources of recruitment?
['Reduce time to hire. ... ', 'Shorten onboarding times. ... ', 'Cost less. ... ', 'Strengthen employee engagement. ... ', 'Create resentment among employees and managers. ... ', 'Leave a gap in your existing workforce. ... ', 'Limit your pool of applicants. ... ', 'Result in inflexible culture.']