Mengembangkan Sikap Kooperatif Anak Usia Dini Melalui Metode Proyek. SELING: Jurnal Program Studi PGRA, [S. l.], v. 3, n. 2, p. 18–34, 2017. DOI: 10.29062/seling.v3i2.117. Disponível em: https://jurnal.stitnualhikmah.ac.id/index.php/seling/article/view/117. Acesso em: 25 apr. 2026.