Title	A Secure Image Steganography using LSB and Double XOR Operations
Author	Ali Ahmed and Abdelmotalib Ahmed
Citation	Vol. 20  No. 5  pp. 139-144
Keywords	Steganography, Cryptography, Least significant bit method, Hybrid security method, PSNR, MSE

Title	Passively Inferring Wireless Network Signal Quality from Different Data Resources
Author	Emad Felemban,
Citation	Vol. 20  No. 5  pp. 132-138
Keywords	Signal Quality, Wireless Cellular Networks, Mobile App, Signal Strength, IoT Infrastructure.

Title	Wireless Indoor localization using fingerprinting and Trilateration
Author	Safae El Abkari, Abdelilah Jilbab and Jamal El Mhamdi,
Citation	Vol. 20  No. 5  pp. 124-131
Keywords	Indoor positioning, Wireless, Wi-Fi, Fingerprinting, Trilateration, RSS.

Title	Compilation Time-Based Analysis using Optimized Iterative Techniques
Author	Ume Farwa, Khurshid Asghar, Mubbashar Saddique
Citation	Vol. 20  No. 5  pp. 120-123
Keywords	Compilation time performance analysis iterative techniques program optimization.