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2. Anderson S.2017“International Students and STEM OPT”.National Foundation for American Policy. Retrieved fromhttp://nfap.com/wp-content/uploads/2017/10/International-Students-and-STEM-OPT.NFAP-Policy-Brief.October-2017.pdf
3. The Royal Society and the ‘brain drain’: natural scientists meet social science
4. Brain drain: Inclination to stay abroad after studies
5. Comparing temporary mobility with permanent migration