Subagijo, Djoko, Imam Wahyudi, and Jujuk Kusumawati. “The Effect of Building Area and Cost on the Accuracy of Cost Estimation in State Buildings”. Ilomata International Journal of Social Science 6, no. 1 (February 21, 2025): 349 – 357. Accessed March 7, 2026. https://ilomata.org/index.php/ijss/article/view/1624.