Fatkhurohman, F., Ayuningtyas, A.D., Noto, M.S. and Widodo, S.A. 2021. Etnomathematics: Exploration of Geblek Renteng Batik in Transformation Geometry. Numerical: Jurnal Matematika dan Pendidikan Matematika. 5, 2 (Dec. 2021), 79–90. DOI:https://doi.org/10.25217/numerical.v5i2.1506.