Smitha runs an NGO under the name 'Serve karma' in Delhi. The organisation is engaged in offering waste paper recycling services to all kinds of institutions in Delhi. It also made paper stationery out of recycled papers at very competitive price. The website of Serve karma provides a link, to career sites, wherein people desirous of joining the NGO can use simple job search to find the right opportunity for themselves. The NGO also keeps a database of applications of Jobseekers, so that they can be called 'Whenever need arises.In the context of above case: Identify the two sources of external recruitment being used by "Serve karma" by quoting the lines from para.