Title	A New Model forTCP Performance Enhancement on WSN
Author	Mohammadmehdi Hassani1, vahid jalali
Citation	Vol. 26  No. 4  pp. 99-102
Keywords	Wireless sensor networks, TCP, throughput

Title	Slash: A Methodology for the Study of Network Congestion
Author	Aman Ullah
Citation	Vol. 26  No. 4  pp. 95-98
Keywords	Network, congestion, Methodology, Experimental Results

Title	Hybrid Privacy-Preserving Authentication Protocol for Secure Communication under Malicious Attacks in Mobile IP
Author	Abdurahem El Atman Igrair and RaghavYadav
Citation	Vol. 26  No. 4  pp. 89-94
Keywords	Secure Routing, Mobile Ip, Wireless Networks, Quality of Service, Priauth, HPriauth, Loss Rate, Malicious Attack

Title	Enhancing X-Ray Augmented Images for COVID-19 Disease Diagnosis Using Deep Learning Techniques
Author	Abdelmoty M. Ahmed, Belgacem Bouallegue, Amr Mohmed Soliman, Mahmoud M. Khattab4and, Hammam M. Abdelaal
Citation	Vol. 26  No. 4  pp. 79-88
Keywords	COVID-19, Chest disease, pneumonia, Convolutional Neural Network, VGGNet-16, Machine learning, Deep Learning