Prema Kavitha, D. D. ., and L. F. . Raj. “Difference Equations and Gaussian Distribution for the Digital Signal’s Noise Reduction”. Science & Technology Asia, vol. 26, no. 4, Dec. 2021, pp. 153-8, https://ph02.tci-thaijo.org/index.php/SciTechAsia/article/view/245891.