Volume 12, 2018 Adaptive Image Fusion Method Based on Non-subsampled Contourlet Wavelet Transform Liang-liang Wang, Gui-cang Zhang and Wen-xiao Jia Pages 1-10 Download A Linear Method Based on Retrieval to Estimate Missing Fuzzy-Number in a Fuzzy Set and its Application Hang Xiao and Sidong Xian Pages 11-21 Download Existence of Commutativity in Parikh and Anti-Diagonal Matrices V. Nithya Vani and R. Stella Maragatham Pages 23-32 Download Edge Stable Sets and Edge Independent Sets in Hypergraphs D.K.Thakkar and V.R.Dave Pages 33-39 Download Dust Acoustic (DA) Waves in a Magnetised Plasma with Boltzmann Distributed Electrons and Ions Sanchita Chetia Pages 41-48 Download MHD Peristaltic Transport of Couple Stress Fluid in an Inclined Channel with Hall Current and Slip Flow Nirmala P. Ratchagar, V. Balakrishnan and R. Vasanthakumari Pages 49-61 Download Optimization of Biclustering Algorithm Based on Greedy Randomized Adaptive Search Procedure Chun-de Yang, Ling Zhao, Kun-xian Shu and Ling Wang Pages 63-77 Download Recursive Aggregation of OWA Operators for Fuzzy Number Based on Non-additive Measure with $\sigma-\delta$ Rules Zengtai Gong and Huiting Li Pages 79-87 Download Effects of Negative Emotions on the Perceived Helpfulness of Online Reviews Zhu Liu, Jing Liu and Shuang Hao Pages 89-101 Download