Prema Kavitha, D. D. and Raj, L. F. (2021) “Difference Equations and Gaussian Distribution for the Digital Signal’s Noise Reduction”, Science & Technology Asia, 26(4), pp. 153–158. available at: https://ph02.tci-thaijo.org/index.php/SciTechAsia/article/view/245891 (accessed: 27 August 2026).