ELSA DESPRIANA; ASTRI WAHYUNI. DEVELOPMENT OF MATHEMATICAL LEARNING DEVICES BASED ON CONTEXTUAL LEARNING ON THE MAIN MATERIAL OF THE SET. Mathematics Research and Education Journal, [S. l.], v. 4, n. 2, p. 1–7, 2020. DOI: 10.25299/mrej.2020.vol4(2).9285. Disponível em: https://journal.uir.ac.id/index.php/JPM/article/view/9285. Acesso em: 21 jul. 2026.