Chaitongdee , Thunchanok, Wuttichai Srisodaphol, Oktsa Rahmashari, Benjawan Rattanawong, and Khanuengnij Prakhammin. “Enhanced Outlier Detection in Linear-Circular Regression Using Circular Distance and Mean Resultant Length”. Statistics, Optimization & Information Computing 14, no. 1 (June 9, 2025): 454-468. Accessed December 5, 2025. http://www.iapress.org/index.php/soic/article/view/2459.