U. Suriani and T. Kurniawan, “Comparing the Prediction of Numeric Patterns on Form C1 Using the K-Nearest Neighbors (K-NN) Method and a Combination of K-Nearest Neighbors (K-NN) with Connected Component Labeling (CCL)”, journalisi, vol. 5, no. 4, pp. 1569-1580, Dec. 2023.