Amleh, Mohammad, and Mohammad Z. Raqab. “Prediction of Censored Weibull Lifetimes in a Simple Step-Stress Plan With Khamis-Higgins Model”. Statistics, Optimization & Information Computing 10, no. 3 (August 17, 2021): 658–677. Accessed May 7, 2026. https://iapress.org/index.php/soic/article/view/1069.