N. S. Sartika, Y. S. . Kusuma, B. A. P. . Martadiputra, C. Ditasona, and M. M. . Safitri, “Development of Worksheets Based on the Metaphorical Thinking Approach for Students’ Procedural Fluency Ability”, Brillo J., vol. 2, no. 1, pp. 22–41, Dec. 2022.