Raed Hatamleh, “On The Continuous and Differentiable Two-Fold Neutrosophic and Fuzzy Real Functions”, Neutrosophic Sets Syst., vol. 75, pp. 196–209, Oct. 2024, Accessed: Aug. 10, 2026. [Online]. Available: https://fs.unm.edu/nss8/index.php/111/article/view/5075