Purba, Melissa, and Agustinus Wijaya. “Perencanaan Strategis Sistem Informasi Menggunakan Metode Ward and Peppard (Studi Kasus: Oemah Djari Kitchen Salatiga)”. Journal of Information Technology Ampera 3, no. 1 (May 11, 2022): 1–14. Accessed January 20, 2026. https://journal-computing.org/index.php/journal-ita/article/view/143.