UNESCO. (2023). Global Education Monitoring Report.
World Bank. (2022). Brain Drain and its Economic Impact: A Review of the Literature.
Becker, G. (1964). Human Capital: A Theoretical and Empirical Analysis, with Special Reference to Education. National Bureau of Economic Research.
Lucas, R. E. (1988). On the Mechanics of Economic Development. Journal of Monetary Economics, 22(1), 3-42.
Romer, P. M. (1990). Endogenous Technological Change. Journal of Political Economy, 98(5), 71-102.
OECD. (2023). Policies to Attract and Retain Talent.
Sen, A. (1999). Development as Freedom. Oxford University Press.
UNESCO. (2023). The Role of Science Diplomacy in Addressing Global Challenges.
World Bank. (2022). The Impact of Brain Drain on Economic Growth.
ILO. (2023). Brain Drain: Understanding and Addressing the Challenges.
UNESCO. (2023). Identifying and Supporting Talented Individuals for Sustainable Development.
Docquier, F., & Rapoport, H. (2021). Globalization, Brain Drain, and Development. Journal of Economic Literature, 50(3), 681-730.
Creswell, J. W., & Creswell, J. D. (2017). Research design: Qualitative, quantitative, and mixed methods approaches. Sage publications.
Patton, M. Q. (2015). Qualitative research & evaluation methods: Integrating theory and practice. Sage publications.
Yin, R. K. (2018). Case study research and applications: Design and methods. Sage publications.
Kline, R. B. (2015). Principles and practice of structural equation modeling. Guilford publications.
Strauss, A., & Corbin, J. (1998). Basics of qualitative research techniques. Thousand Oaks, CA: Sage publications.
UNESCO. (2023). UNESCO science report: Towards 2030.
Nunnally, J. C., & Bernstein, I. H. (1994). Psychometric theory (3rd ed.). McGraw-Hill, Inc.
Yaghmaei, F. (2003). Content validity and its estimation. Journal of Medical Education, 3(1), 25-27.
National Elite Foundation. (2023). Annual Performance Report.
Iran Immigration Yearbook. (2023). Ministry of Foreign Affairs and National Elite Foundation.
Razavi, S. (2019). The Impact of Elite Migration on the Country's Economic Growth. *Quantitative Economics Quarterly*, 15(2), 245-269.
Karimi, A., & Salehi, F. (2022). The Impact of Elite Migration on Iran's National Security. *National Security Studies Quarterly*, 12(3), 85-102.
Yazdani, M. (2021). Examining the Status of Elite Migration in Iran. *Journal of Public Administration*, 8(1), 45-58.
National Elite Foundation. (2023). Report on the Status of Iranian Elite Migration. Tehran: National Elite Foundation.
Science and Technology Policy Research Institute. (2021). Challenges of Elite Management in Iran. Tehran: Science and Technology Policy Research Institute.