HARYANI, S et al. Construction of Metacognition Skills Through Students` Worksheet with Problem Based Learning Approaches. Proceeding of Chemistry Conference, [S.l.], v. 2, p. 37-41, apr. 2017. ISSN 2541-108X. Tersedia pada: <https://jos.unsoed.ac.id/index.php/jccp/article/view/170>. Tanggal Akses: 26 aug. 2026