Caniago, D., S. Andryana, and A. Gunaryati. “Implementation of Expert System for Early Detection of Breast Cancer With Web-Based Methods Chaining Forward: Implementation of Expert System for Early Detection of Breast Cancer With Web-Based Methods Chaining Forward”. Jurnal Mantik, vol. 3, no. 4, Feb. 2020, pp. 365-72, https://iocscience.org/ejournal/index.php/mantik/article/view/579.