Hari, CH.V.M.K., and P.V.G.D.Prasad Reddy. 2020. “A Novel Approach Using Deep Neural Networks and Particle Swarm Optimization for Query Optimization in Distributed Databases”. International Journal of Scientific Research in Computer Science and Engineering 8 (4):23-31. https://ijsrcse.isroset.org/index.php/j/article/view/371.