MASRUROH, A. Meningkatkan Perkembangan Berpikir Anak Dalam Mengenal Bentuk Geometri Melalui Media Bermain Balok. Journal of Educational Research, [S. l.], v. 1, n. 1, p. 61–84, 2022. DOI: 10.56436/jer.v1i1.15. Disponível em: https://journal.centrism.or.id/index.php/jer/article/view/15. Acesso em: 31 jan. 2026.