F. Fatkhurohman, A. D. Ayuningtyas, M. S. Noto, and S. A. Widodo, “Etnomathematics: Exploration of Geblek Renteng Batik in Transformation Geometry”, Numerical: J.Mat and Pend.Mat, vol. 5, no. 2, pp. 79–90, Dec. 2021.