IZAYANAH, F. N. .; MASNUNA; SUSANTI, W. D. .; HIDAYAT, V. .; ASYHARI, H. . Sign System Design as Information Media in Darussalam Islamic Education Institutions Surabaya. Nusantara Science and Technology Proceedings, Malang, Indonesia, v. 2023, n. 33, p. 14-27, 2023. DOI: 10.11594/nstp.2023.3303. Disponível em: http://nstproceeding.com/index.php/nuscientech/article/view/909. Acesso em: 17 jul. 2024.