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