Suman Das, Bimal Shil, and Surapati Pramanik. “SVPNS-MADM Strategy Based on GRA in SVPNS Environment ”. Neutrosophic Sets and Systems 47 (December 1, 2021): 50–65. Accessed July 17, 2024. https://fs.unm.edu/nss8/index.php/111/article/view/4122.