Ghorbani S, Niaparast M. A New Ridge Parameter Estimator In Poisson Regression With Correlated Predictors: Optimal Design Approach. Thail. Stat. [internet]. 2022 Sep. 29 [cited 2026 Oct. 5];21(4):767-82. available from: https://ph02.tci-thaijo.org/index.php/thaistat/article/view/251123