M. A. Farabi, U. Masamah, and I. Rofiki, “Development of Visual-Spatial Thinking Ability Test Instrument Based on Pattern Batik Ceplok-Ceplok Jatipelem Jombang”, J. Ris. Pend. Inov. Pemb. Mat., vol. 8, no. 2, pp. 151–166, Apr. 2025.