Nurul Huda Abdul Aziz. “The Technique of Discontinuity Tracking Equations for Functional Differential Equations in 1-Point Implicit Method”. Applied Mathematics and Computational Intelligence (AMCI) 8, no. 1 (March 23, 2023): 1–8. Accessed May 4, 2024. https://ejournal.unimap.edu.my/index.php/amci/article/view/190.