Kusumayanti, A. and Rusmiati, A. 2022. Pengembangan Buku Ajar Matematika Berbasis Flipbook Menggunakan Model Collaborative Problem Solving pada Materi Bangun Ruang . Alauddin Journal of Mathematics Education. 4, 1 (May 2022), 21-36. DOI:https://doi.org/10.24252/ajme.v4i1.28996.