Banerjee, Durga, Bibhas C. Giri, Surapati Pramanik, and Florentin Smarandache. 2017. “GRA for Multi Attribute Decision Making in Neutrosophic Cubic Set Environment”. Neutrosophic Sets and Systems 15 (February): 60-69. https://fs.unm.edu/nss8/index.php/111/article/view/375.