Uyun, L. M., and M. D. K. Wardana. “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”. Indonesian Journal of Education Methods Development, Vol. 18, no. 1, Feb. 2023, p. 10.21070/ijemd.v21i.718, doi:10.21070/ijemd.v21i.718.