Maharani, Rasendriya, and Indrie Aini. 2021. “Deskripsi Tahapan Problem Solving Siswa Pada Soal Bertipe Pisa Space and Shape Content”. Jurnal Cendekia : Jurnal Pendidikan Matematika 5 (2), 1193-1200. https://doi.org/10.31004/cendekia.v5i2.608.