rami sihwail, obadah said solaiman, khairuddin omar, khairul akram zainol ariffin, mohammed alswaitti; ishak hashim.  (2021).  a hybrid approach for solving systems of nonlinear equations using harris hawks optimization and newton's method.  - ieee access.  1-17. 

khairul akram zainol ariffin, faris hanif ahmad.  (2021).  indicators for maturity and readiness for digital forensic investigation in era of industrial revolution 4.0.  - computers & security.  1-25. 

rami sihwail, khairuddin omar, khairul akram zainol ariffin.  (2021).  an effective memory analysis for malware detection and classification.  - computers, materials & continua.  2301-2320. 

nahla nurelmadina, mohammad kamrul hasan,imran memon, rashid a. saeed,khairul akram zainol ariffin,elmustafa sayed ali, rania a. mokhtar,shayla islam,eklas hossain and md. arif hassan.  (2021).  a systematic review on cognitive radio in low power wide area network for industrial iot applications.  - sustainability.  1-20. 

muataz salam al-daweri, salwani abdullah, khairul akram zainol ariffin.  (2021).  a homogeneous ensemble based dynamic artificial neural network for solving the intrusion detection problem.  - international journal of critical infrastructure protection.  1-23. 

muataz salam al daweri, salwani abdullah dan khairul akram zainol ariffin.  (2020).  a migration-based cuttlefish algorithm with short-term memory for optimization problems.  - ieee access.  70270-70292. 

rami sihwail, khairuddin omar, khairul akram zainol ariffin, mohammad tubishat.  (2020).  improved harris hawks optimization using elite opposition-based learning and novel search mechanism for feature selection.  - ieee access.  1127-1145. 

muataz salam al-daweri, khairul akram zainol ariffin, salwani abdullah, mohamad firham efendy md senan.  (2020).  an analysis of the kdd99 and unsw-nb15 datasets for the intrusion detection system.  - symmetry.  1-32. 

amjad mehmood, akbar khanan, muhammad muneer umar, salwani abdullah, khairul akram zainol ariffin, houbing song.  (2018).  secure knowledge and cluster-based intrusion detection mechanism for smart wireless sensor networks.  - ieee access.  .