Title	A Hybrid Spark MPI OpenACC System
Author	Waleed Al Shehri, Maher Khemakhem, Abdullah Basuhail and Fathy E. Eassa
Citation	Vol. 19  No. 5  pp. 81-86
Keywords	High-Performance Computing Big Data Spark MPI OpenACC Hybrid Programming model Power Consumption

Title	A connected graph with non-concurrent Longest Cycles
Author	Abdul Hameed Junejo, Abdul Naem Kalhoro, Inayatullah soomro, Israr Ahmed, Raza Muhammad, Imdad Ali Jokhio, Rozina Chohan
Citation	Vol. 19  No. 5  pp. 78-80
Keywords	C_i^j, C ?_i^j, P_i^j Hamiltonian cycle longest cycle Hypo-traceable Hypo-Hamiltonian Gallai’s property

Title	Factors Contributing in Failures of Software Projects
Author	Muhammad Hamid, Furkh Zeshan, Adnan Ahmad and Esma Aimeur
Citation	Vol. 19  No. 5  pp. 62-77
Keywords	Software project management, Software development, Software failure factors

Title	Switching behavior in mobile phone sector: The case of mobile number portability in Morocco
Author	Ahmed Kensi, Hafid Barka, Nasr Hajji
Citation	Vol. 19  No. 5  pp. 53-61
Keywords	mobile number portability, switching behavior, telecommunication service in Morocco, perception, competition.