Surapati Pramanik, Rumi Roy, Tapan Kumar Roy, and Florentin Smarandache. 2017. “Multi Criteria Decision Making Using Correlation Coefficient under Rough Neutrosophic Environment”. Neutrosophic Sets and Systems 17 (September): 29-38. https://fs.unm.edu/nss8/index.php/111/article/view/670.