SINGGALEN, Yerik Afrianto. Strategic Planning of Ecotourism Management System Using Ward and Peppard Framework. Journal of Information Systems and Informatics, [S. l.], v. 4, n. 2, p. 216–232, 2022. DOI: 10.51519/journalisi.v4i2.245. Disponível em: https://www.journal-isi.org/index.php/isi/article/view/245. Acesso em: 7 mar. 2026.