I. satria haloho, C. R. Silalahi, A. T. siregar, P. C. Hutasoit, K. manik, and H. Siallagan, “COST INFORMATION MANAGEMENT SYSTEM: SYNERGY OF COST CHARACTERISTICS EVALUATION WITH DIGITAL TECHNOLOGY”, International Healthy and Prosperous Family Journal, vol. 23, no. 1, pp. 226–238, Aug. 2025.