Colour image encryption using Nahrain chaotic map. - Hamsa A. Abdullah; Hikmat N. Abdullah (Int. J. Wirel. Mob. Comput., 2019)

A hybrid chaotic map for communication security applications. - Hamsa A. Abdullah; Hikmat N. Abdullah; Waleed Ameen Mahmoud Al-Jawher (Int. J. Commun. Syst., 2020)

FPGA-based modified chaotic system for speech transmission. - Hamsa A. Abdullah; Raya K. Mohammed (Int. J. Speech Technol., 2022)