SUDARISMAN, Saina Sianbina; MUHARRAM, Muhammad Rijal Wahid; APRIANI, Ika Fitri. Analisis Kebutuhan Bahan Ajar berbasis Pendekatan Open-ended muatan Productive Struggle pada Bilangan Cacah di Sekolah Dasar . DIDAKTIKA : Jurnal Pemikiran Pendidikan, [S. l.], v. 31, n. 2, p. 216–230, 2025. DOI: 10.30587/didaktika.v31i2.9932. Disponível em: https://journal.umg.ac.id/index.php/didaktika/article/view/9932. Acesso em: 17 jun. 2026.