Maghfiroh, A. M., and A. A. Karim. “Survei Route Determination Using The Saving Matrix Method (PT. Indekstat Konsultan Indonesia)”. Proceeding Kilisuci International Conference on Economic &Amp; Business, vol. 1, Apr. 2023, pp. 123-31, https://proceeding.unpkediri.ac.id/index.php/kilisuci/article/view/2895.