2013
Lundborg, P. (2013). The health returns to schooling—what can we learn from twins? Journal of Population Economics, 26(2), 673–701.
2025
Asfour, B., Asia, M. R., & Hejaz, H. A. (2025). Effects of October 2023 war on health care costs in Gaza. Eastern Mediterranean Health Journal, 31(4), 254-261.
2018
Nexhipi, O. (2018). Medical tourism management challenges-The Case of dental tourism in Albania. European journal of interdisciplinary studies, 4(1), 80-86.