Bedi, Punam, A.K. Sinha, Sumit Agarwal, Ambrish Awasthi, Gaurav Prasad, and Devinder Saini. 2010. “Influence of Terrain on Modern Tactical Combat: Trust-Based Recommender System”. Defence Science Journal 60 (4), 405-11. https://doi.org/10.14429/dsj.60.498.