SINGGALEN, Yerik Afrianto. Analysis and Design of Regional Tourism Information System “SIPARDA” of Morotai Island Regency. Journal of Information Systems and Informatics, [S. l.], v. 4, n. 4, p. 849–863, 2022. DOI: 10.51519/journalisi.v4i4.328. Disponível em: https://journal-isi.org/index.php/isi/article/view/328. Acesso em: 7 mar. 2026.