FIRMANSYA, Andika Jati; AMELIA, Putri. Strategic IS/IT Planning for Enhanced Competitiveness and Operational Efficiency at PT. Songgo Jati Baru: Applying the Ward and Peppard Method. Journal of Information Systems and Informatics, [S. l.], v. 7, n. 2, p. 1461–1475, 2025. DOI: 10.51519/journalisi.v7i2.1105. Disponível em: https://journal-isi.org/index.php/isi/article/view/1105. Acesso em: 7 mar. 2026.