Safayani, M. and Shalmani, M. T. M. (2012) “Two-Dimensional Heteroscedastic Feature Extraction Technique for Face Recognition”, Computing and Informatics, 30(5), pp. 965–986. Available at: https://www.cai.sk/ojs/index.php/cai/article/view/205 (Accessed: 22 September 2025).