PRATAMA, Anggi Tyas. Improving metacognitive skills using problem based learning (pbl) at natural science of primary school in deli serdang, indonesia. Biosfer: Jurnal Pendidikan Biologi, [S. l.], v. 11, n. 2, p. 101–107, 2018. DOI: 10.21009/biosferjpb.v11n2.101-107. Disponível em: https://journal.unj.ac.id/unj/index.php/biosfer/article/view/8744. Acesso em: 22 nov. 2024.