Thawong, R., Sakha, S. and Klongdee, W. (2016) “Detecting generalized salt and pepper noise image based on standard deviation”, Engineering and Applied Science Research, 43, pp. 125–129. available at: https://ph01.tci-thaijo.org/index.php/easr/article/view/69713 (accessed: 18 September 2026).