Swarna Prabha Jenal, Debraj Rana, Subrat Kumar Pradhan. “A Hand Written Digit Recognition Based Learning Android Application”. PalArch’s Journal of Archaeology of Egypt Egyptology, vol. 17, no. 9, Nov. 2020, pp. 2151-63, https://archives.palarch.nl/index.php/jae/article/view/4119.