URL https://www.researchgate.net/profile/Subir-Ghosh-4/publication/315696499/figure/fig2/AS:669486642372632@1536629462971/Sn-vs-th-0-graph-for-a-1-and-n-05-1-3-red-green-and-blue-lines-respectively_Q320.jpg
URL2 https://www.researchgate.net/figure/Sn-vs-th-0-graph-for-a-1-and-n-05-1-3-red-green-and-blue-lines-respectively_fig2_315696499
