Title	Reduce the Control Overhead Geographic Opportunistic Routing in Mobile ad Hoc Networks
Author	Asiyeh Khoshnood, Zahra mollabagheri
Citation	Vol. 17  No. 6  pp. 212-215
Keywords	mobile ad hoc networks, opportunistic routing, control overhead, geographic routing.

Title	A New Approximation Algorithm for Maximal Independent Set in Wireless Sensor Networks
Author	M. Ghanbaria, 1, D.A. Mojdehb, M. Ramezania
Citation	Vol. 17  No. 6  pp. 216-221
Keywords	Wireless network, independent set, dominating set, algorithm.

Title	Using Smart Posters in the Tourism Industry to Provide Guidelines for Its Optimization
Author	Seyed Mohammad Mehdi Mirbehbahani
Citation	Vol. 17  No. 6  pp. 222-228
Keywords	Tourism Near Field Communication (NFC) Smart Posters Applying Smart Posters in Industry Tourism.

Title	Investigating the efficiency and promotion of watermarking methods based on decomposition of singular values
Author	Moin Sadeghi Askari, Amir Hossein Javanshir
Citation	Vol. 17  No. 6  pp. 229-240
Keywords	watermarking, blind watermarking, resistant watermarking, SVD