Pekkurnaz, Didem. “Convergence of Health Expenditure in OECD Countries: Evidence from a Nonlinear Asymmetric Heterogeneous Panel Unit Root Test”. Journal of Reviews on Global Economics 4 (April 16, 2015): 76–86. Accessed November 22, 2024. https://mail.lifescienceglobal.com/pms/index.php/jrge/article/view/2929.