ISMAWAN, J. “COLOR PEN” (ALAT BANTU BACA WARNA BAGI PENYANDANG TUNANETRA). Jurnal Elektrikal, [S. l.], v. 1, n. 1, p. 69–83, 2019. Disponível em: https://ejournal.akprind.ac.id/index.php/elektrikal/article/view/2584. Acesso em: 24 nov. 2024.