I. G. D. O. Biantara, D. G. H. Divayana, and L. J. E. Dewi, “STRATEGIC INFORMATION SYSTEMS PLANNING USING THE WARD AND PEPPARD METHOD (A CASE STUDY OF KOPERASI DAUH AYU)”, CNAHPC, vol. 7, no. 4, pp. 1116–1127, Oct. 2025.