M. Elgohary, Mervat, Mohamed R. Abonazel, Nahed M. Helmy, and Abeer R. Azazy. 2019. “New Robust-Ridge Estimators for Partially Linear Model”.
International Journal of Applied Mathematical Research 8 (2): 46-52.
https://doi.org/10.14419/ijamr.v8i2.29932.