Mulyana, Sri Ulina, and Erwin Panggabean. “Expert System to Diagnose Problems Acne Whitening Method Using the Base Case Reasioning”. Journal of Computer Networks, Architecture and High Performance Computing 2, no. 2 (June 1, 2020): 297–303. Accessed September 4, 2026. https://itscience-indexing.com/jurnal/index.php/CNAPC/article/view/414.