Nurhayati, Sri Hasih, Sardianto Markos Siahaan, and Syuhendri. 2024. “Need Analysis of E-Module Based on the Theory of Conceptual Change in Earth and Space Material for Class X of Vocational School in the Sumatra”. Jurnal Penelitian Pendidikan IPA 10 (8):6198-6205. https://doi.org/10.29303/jppipa.v10i8.7637.