Saputra, E., B. Yustinaningrum, and N. Nurhayati. “Module Development for Curved Side 3D Geometric Shapes Based on STEAM Approach”. Jurnal Ilmiah Pendidikan Matematika Al Qalasadi, Vol. 7, no. 2, Dec. 2023, pp. 119-26, doi:10.32505/qalasadi.v7i2.7542.