Hamiden Abd El- Wahed Khalifa, Pavan Kumar. A Novel Method for Neutrosophic Assignment Problem by using Interval-Valued Trapezoidal Neutrosophic Number. Neutrosophic Sets Syst. 2020;36:24-36. Accessed July 16, 2024. https://fs.unm.edu/nss8/index.php/111/article/view/4028