Title	Detecting Spam Messages on Social Networks in Saudi Arabia
Author	Ayman Alharbi, Waad Algethami, Abeer Alghamdi, Marwan Albahar, Saleh Ibrahim
Citation	Vol. 20  No. 5  pp. 181-188
Keywords

Title	Secure Web-Based System to Find Life Partner Based on Blockchain Technology under Islamic legislation
Author	Ayman AlHarbi, Mawaddah AlHarbi, Arwa AlMelibari and Haya AlAgil
Citation	Vol. 20  No. 8  pp. 169-175
Keywords	Blockchain, Smart Contract, distributed ledger, AES.

Title	A Survey on the Security of Routing Protocols for Underwater Acoustic Sensor Networks
Author	Ayman Alharbi and Muhammad Muzzammil
Citation	Vol. 22  No. 1  pp. 453-464
Keywords	Routing protocols, localization, security, secure routing, underwater acoustic sensor networks.