“Question Level Analysis based on the Observed Taxonomy of Learning Outcome Structures in the 2013 Elementary School Mathematics Curriculum Book: Analisis Level Pertanyaan berdasarkan Taksonomi Struktur Hasil Belajar yang Diamati pada Buku Matematika Kurikulum 2013 Sekolah Dasar”, ijemd, vol. 18, no. 1, p. 10.21070/ijemd.v21i.718, Feb. 2023, doi: 10.21070/ijemd.v21i.718.