Fikri, A. Mafaza Kanzul, I Ketut Mahardika, and Slamet Hariyadi. 2024. “Validity of STEM-CT Based Textbooks to Improve Students Multi-Representation Ability”. Jurnal Paedagogy 11 (3):538-45. https://doi.org/10.33394/jp.v11i3.11488.