Firdiyastomo, Yogi, et al. “Development Of A Decision Support System Based On Rule-Based Systems For Determining Marketing Strategies And Superior Products at Tombo Ngelih Cafe”. APPLIED SCIENCE AND TECHNOLOGY REASERCH JOURNAL, vol. 4, no. 1, May 2025, pp. 31-42, doi:10.31316/astro.v4i1.7851.