Internal source of recruitment does not provide new blood as it implies re-hiring, promoting, or transferring persons who are already working or have worked for the company. So, external source of recruitment is needed to bring <em>new blood</em> into the organization. That can be achieved in multiple ways, as the external source suggests people joining the organization through recommendations, then there are employment agencies whose occupation is finding all sorts of candidates. Also, companies can visit schools and colleges in order to find new candidates. Companies can advertise job positions to the wide public, they also can hire candidates who are not so skilled right now, but can learn in the future. So, there are some of the most spread ways of finding new candidates and bringing <em>new blood</em>.
