P. D. Veysel Aslanta?, Farah Hatem Khorsheed, and Bashar Ahmed. “Wrapper Feature Selection Approach Based on Binary Firefly Algorithm for Spam E-Mail Filtering”. Journal of Soft Computing and Data Mining 1, no. 2 (December 6, 2020): 44–52. Accessed August 13, 2026. https://journal.uthm.edu.my/index.php/jscdm/article/view/7295.