AGUSTINA, Ika; HARAHAP, Subur; SUKINI, Sukini; WIDODO, Hadi; SANTOSA, Tomi Apra; SAFAR, Muh; ALI, Makhrus. Enhancing Children’s Critical Thinking Through Blended Problem-Based Learning and Eco-Literacy. Jurnal Obsesi : Jurnal Pendidikan Anak Usia Dini, [S. l.], v. 9, n. 1, p. 413–422, 2025. DOI: 10.31004/obsesi.v9i1.6885. Disponível em: https://www.obsesi.gifted.or.id/index.php/obsesi/article/view/6885. Acesso em: 18 apr. 2026.