Title	Selection of Community Detection Features In?uencing Negative Emotional Contagion on Twitter
Author	Hatoon Al Sagria, Mourad Ykhlef
Citation	Vol. 19  No. 9  pp. 29-39
Keywords	Negative emotions, contagion, Twitter, feature selection, community detection, genetic algorithm.

Title	Hybrid an Improvement Water Flow-like Algorithm with Single Based Metaheuristic for CVRP
Author	Zulaiha Ali Othman, Mokhtar Massoud Kerwad, Suhaila Zainudin
Citation	Vol. 19  No. 9  pp. 40-48
Keywords	Water- flow like algorithm, CVRP, Great Deluge, Hybrid metaheuristic

Title	Robust Hybrid Plaintext-Related Image Encryption using Hyper Chaos Signal Processing
Author	Wenting Yuan, Amber Sultan, Syed Baqar Hussain
Citation	Vol. 19  No. 9  pp. 49-56
Keywords	Transport security, digital image encryption, digital chaos, double-domain, plaintext-related algorithm.

Title	Convergence Analysis of Multigrid Method for Shifted Laplace at Various Levels Using Fourier Modes
Author	Wajid Ahmed Siyal, Abdul Hanan Sheikh, Majid Mallah, Sajjad Hussain Sandilo, Abdul Ghafoor Shaikh
Citation	Vol. 19  No. 9  pp. 57-64
Keywords	Finite differences, Multigrid method, indefinite matrix, eigenvalues, Shifted Laplace equation