“Development of the TTMCT Instrument and In-Depth Interview Activities to Identify Misconceptions about the Periodic Table Concept”. Jurnal Inovasi Pendidikan Kimia 19, no. 2 (January 22, 2026): 141–148. Accessed January 30, 2026. https://journal.unnes.ac.id/journals/JIPK/article/view/2683.