Dwi Atmodjo WP. “Expert System With Forward Chaining Method to Estimated Cost of Small and Medium Building Development in Indonesia”. International Journal of Advances in Scientific Research and Engineering (IJASRE), ISSN:2454-8006, DOI: 10.31695/IJASRE 4, no. 10 (October 5, 2018): 5–12. Accessed December 19, 2024. https://ijasre.net/index.php/ijasre/article/view/714.