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	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	Scaling of Color Fusion in Stitching Images
Author	Zuhaibuddin Bhutto, Muhammad Zahid Tunio, Ayaz Hussain, Jalal Shah, Inayat Ali and Murtaza Hussain Shaikh
Citation	Vol. 19  No. 4  pp. 61-64
Keywords	Image matching image processing image fusion image stitching MATLAB.

Title	Resource Scheduling for Offline Cloud Computing Using Deep Reinforcement Learning
Author	Hatem M. El-Boghdadi and Rabie A. Ramadan
Citation	Vol. 19  No. 4  pp. 54-60
Keywords	Cloud computing, Scheduling, Artificial Intelligence, reinforcement learning.