AJAY KUMAR SHARMA. Bipolar Fuzzy Entropy and Correlation Co-efficient with Application to Vaccine Selection. International Journal of Intelligent Systems and Applications in Engineering, [S. l.], v. 10, n. 3s, p. 606–622, 2022. Disponível em: https://www.ijisae.org/index.php/IJISAE/article/view/8525. Acesso em: 8 sep. 2026.