by Ahmed Bakheet, Esam A. Alnussairy
Published in Iraqi journal of science (30.03.2021)

by Dheyaa Asfoor, Hawraa, A. Alnussairy, Esam
Published in Wasit Journal for Pure Sciences (24.12.2022)

by A. Ahmed Alnussairy, Esam, Bakheet, Ahmed, Amin, Norsarahaida
Published in Modern applied science (04.01.2016)

by Makhrib Al-Seraji, Najm Abdulzahra, Alnussairy, Esam A., Jafar, Zainab Sadiq
Published in Journal of discrete mathematical sciences & cryptography (16.11.2020)