SARI, RATIH PERMATA. KEGIATAN BERMAIN MATEMATIKA. JPUD - Jurnal Pendidikan Usia Dini, [S. l.], v. 7, n. 2, p. 251–263, 2013. Disponível em: https://journal.unj.ac.id/unj/index.php/jpud/article/view/3874. Acesso em: 23 nov. 2024.