Title	Power Systems Optimal Placement And Sizing Of STATCOM in Multi-Objective Optimization Approach And Using NSGA-II Algorithm
Author	Roozbeh Mohammadi , MEHDI MAHDAVIAN
Citation	Vol. 17  No. 4  pp. 51-58
Keywords	STATCOM, NSGA-II Algorithm, multi-objective optimization approach

Title	Security Issues and Solutions related to Data Aggregation Process in WSN
Author	Cherif Diallo
Citation	Vol. 17  No. 4  pp. 59-71
Keywords	Wireless Sensor Networks, Data Aggregation, Security, Cryptography.

Title	Output Feedback Synchronization of A Novel Chaotic System And Its Application in Secure Communication
Author	Arian Azarang, Javad Ranjbar, Hamid Mohseni, Mohammad Ahi Andy
Citation	Vol. 17  No. 4  pp. 72-77
Keywords	Chaotic signals Output feedback controller Chaos masking Analog implementation.

Title	Portfolio Performance Evaluation Using the DEA Based on That Variance is Placed Under Shadow of Mean or Vice Versa
Author	Hamid Siaby-Serajehlo, Mohsen Rostamy-Malkhalifeh, Farhad Hosseinzadeh Lotfi, Mohammad-Hassan Behzadi
Citation	Vol. 17  No. 4  pp. 78-84
Keywords	Management, Data envelopment analysis, Portfolio, Return, Risk