Candrawinata, Natalia, Erlina Erlina, and Maria Ulfah. “The Relationship Between Metacognitive Ability and Self-Directed Learning of Chemistry Education Students As Prospective Teacher”. Hydrogen: Jurnal Kependidikan Kimia 12, no. 4 (August 30, 2024): 893–904. Accessed September 30, 2025. https://ojspanel.undikma.ac.id/index.php/hydrogen/article/view/12349.