1. Basic Econometrics;Gujarati,2009
2. Performance of some new ridge regression estimators;Kibria;Commun. Stat. Simulat. Comput.,2003
3. Ridge regression: biased estimation for nonorthogonal problems;Hoerl;Technometrics,1970
4. A new ridge-type estimator for the linear regression model: simulations and applications;Kibria;Sci. Tech. Rep.,2020
5. A note on some new modifications of ridge estimators;Asar;Kuwait J. Sci.,2017