Khan, J. A., A. Akbar, N. Saleem, and M. Junaid. “Impact Analysis of Correlated and Non-Normal Errors in Nonparametric Regression Estimation: A Simulation Study”. Journal of AppliedMath, Vol. 1, no. 2.1, July 2023, p. 109, doi:10.59400/jam.v1i2.109.