Hidayati, Peni Suci, and Tri Linggo Wati. “The Relationship of Mathematical Communication Ability to Learning Outcomes of Grade IV Students in Elementary School: Hubungan Kemampuan Komunikasi Matematis Terhadap Hasil Belajar Siswa Kelas IV Di Sekolah Dasar”. Academia Open 4 (June 30, 2021): 10.21070/acopen.4.2021.1534. Accessed November 25, 2025. https://acopen.umsida.ac.id/index.php/acopen/article/view/1534.