Prastiyo, S. ., C. N. . Maghfiroh, and N. . Khafidhoh. “Sweet Potato Pest Diagnosis Expert System (Ipomoea Batatas) With Forward Chaining Method and Certainty Factor”. TIERS Information Technology Journal, vol. 3, no. 1, June 2022, pp. 48-58, doi:10.38043/tiers.v3i1.3618.