Anusornpradit S, Puangmalai J, Puangmalai W. Exponential Stability of a Certain Neutral Differential Equation with Time - Varying Delays. RJST [internet]. 2024 Dec. 27 [cited 2026 Sep. 11];6(3):1-9. available from: https://ph02.tci-thaijo.org/index.php/RJST/article/view/253797