Jayanti , R.D. and Nisak, N.M. 2025. Mathematics Pocketbook for Understanding Plane and Solid Shapes: Buku Saku Matematika untuk Memahami Bentuk Datar dan Ruang. Indonesian Journal of Education Methods Development. 20, 2 (May 2025), 10.21070/ijemd.v20i2.984. DOI:https://doi.org/10.21070/ijemd.v20i2.984.