APARNA S MENON, and KALA L. “HANDWRITTEN CHARACTER RECOGNITION OF SIMILAR LOOKING LETTERS USING ANGULAR FEATURE EXTRACTION METHOD”. JournalNX - A Multidisciplinary Peer Reviewed Journal, vol. 4, no. 07, Feb. 2021, pp. 1-4, https://repo.journalnx.com/index.php/nx/article/view/2002.