1. Cheragui, M.A.: Theoretical overview of machine translation. In: International Conference on Web and Information Technologies, vol. 867, pp. 160–169 (2012)
2. Garje, G.V., Kharate, G.K.: Survey of machine translation systems in India. Int. J. Natural Lang. Comput. 2, 47–67 (2013)
3. Papineni, K., Roukos, S., Ward, T., Zhu, W.-J.: Bleu: a method for automatic evaluation of machine translation. In: Proceedings of the 40th Annual Meeting of the Association for Computational Linguistics, pp. 311–318 (2002)
4. Singh, H.: Multilingual machine translation approach based systems and their analysis: an Indian perspective. Int. J. Sci. Res. Sci. Eng. Technol. 3, 411–416 (2015)
5. Rawat, D.S.: Survey on machine translation approaches used in India. Int. J. Eng. Tech. Res. 3, 36–39 (2015)