Sammer Abd Al-Razzaq, Sajad, and Mohammad Jasim Mohammad. “Estimation of Causal Effect of Treatment via Fuzzy Regression Discontinuity Designs”. Journal of Economics and Administrative Sciences 28, no. 134 (December 31, 2022): 110–117. Accessed June 25, 2025. https://www.jeasiq.uobaghdad.edu.iq/index.php/JEASIQ/article/view/2424.