Title	Iris Tracking Based on Fuzzy?Ripplet Techniques
Author	Romany F. Mansour
Citation	Vol. 19  No. 4  pp. 65-68
Keywords	fuzzy models Contour let Transformation Ripplet Transformation Iris Tracking.

Title	Blockchain for Controlling Hajj and Umrah Permits
Author	Meshal Alotaibi, Mohammad Alsaigh and Mohammad Yamin
Citation	Vol. 19  No. 4  pp. 69-78
Keywords	Blockchain, Hajj, Umrah, Smart Contract, Consensus, IoT, Pilgrims.

Title	Development methods of implementing analytical management information systems for technological monitoring of complex industrial purposes
Author	Ali F. Dalain
Citation	Vol. 19  No. 4  pp. 79-86
Keywords	analytical information systems, technological monitoring, Supervisory Control, Data Acquisition, DBMS.

Title	Assurance Quality and Efficiency in Corporate Information Systems
Author	Ahmad AbdulQadir AlRababah
Citation	Vol. 19  No. 4  pp. 87-95
Keywords	corporate information system, survivability system, corporation, survivability, survivability methods, survivability system structure, hardware, software, information support, information protection.