SUPRIADI, S. Simple Handwriting Calculator Application Using Optical Character Recognition (OCR). Buletin Ilmiah Sarjana Teknik Elektro, [S. l.], v. 2, n. 3, p. 163–170, 2020. DOI: 10.12928/biste.v2i3.3348. Disponível em: http://journal2.uad.ac.id/index.php/biste/article/view/3348. Acesso em: 2 may. 2024.