“HAMBATAN GURU MATEMATIKA DALAM PENERAPAN KURIKULUM 2013 DI SEKOLAH DASAR”. Primary: Jurnal Pendidikan Guru Sekolah Dasar 11, no. 6 (December 21, 2022): 1912–1922. Accessed December 17, 2025. https://primary.ejournal.unri.ac.id/index.php/JPFKIP/article/view/637.