ทิพย์พูล จ. and จิระวิชิตชัย น. (2016) “Email Spam Classification Using Data Mining Techniques”, Progress in Applied Science and Technology. Thailand, 6(1), pp. 102–109. available at: https://ph02.tci-thaijo.org/index.php/past/article/view/243160 (accessed: 27 August 2026).