Dao, V., 		Thuy, T., 		Dung, T., & 		Quyen, N.
(2021).
 Investigation of Ber Performances in Chaotic-Secured Optical Fiber Communication Systems using the 4-PAM Modulation Scheme.
<em>Journal Of Science And Technology: Issue On Information And Communications Technology, 19</em>(6.2), 33-38.
doi:10.31130/ict-ud.2021.126