TRISNAYANTI, Yetty; PURA, Dwi Nomi. Colored plastic pulp as a collage medium in improving early childhood development. Jurnal Obsesi : Jurnal Pendidikan Anak Usia Dini, [S. l.], v. 2, n. 2, p. 231–236, 2018. DOI: 10.31004/obsesi.v2i2.89. Disponível em: https://www.obsesi.or.id/index.php/obsesi/article/view/89. Acesso em: 18 apr. 2026.