Nadila, M. and Mawarnis, E.R. 2023. Decoding The Obstacles of 10th Grade Student Learning in Atomic Structure at SMAN 1 Sungai Tarab. Hydrogen: Jurnal Kependidikan Kimia. 11, 6 (Dec. 2023), 1017–1030. DOI:https://doi.org/10.33394/hjkk.v11i6.10154.