Jain, Chhavi, Rajesh Kumar Saini, Atul Sangal, and Manisha. “Fully Fuzzy Distribution Planning Problem by Using Interval-Valued Bipolar Trapezoidal Fuzzy Number”. HyperSoft Set Methods in Engineering 1 (March 16, 2024): 95–108. Accessed December 22, 2024. https://sciencesforce.com/index.php/hsse/article/view/77.