Nguyen Van, T., 		Nguyen Xuan, H., & 		Luong Chi, M.
(2015).
 A Novel Combination of Negative and Positive Selection in Artificial Immune Systems.
<em>VNU Journal Of Science: Computer Science And Communication Engineering, 31</em>(1).
Retrieved from <a href="//jcsce.vnu.edu.vn/index.php/jcsce/article/view/44" target="_new">//jcsce.vnu.edu.vn/index.php/jcsce/article/view/44</a>