Kharolinasari, R. et al. 2023. Teachers and Students Needs Analysis for the Development of Subject Specific Pedagogy (SSP) Blended Learning Based on Multiple Representations . Jurnal Penelitian Pendidikan IPA. 9, 7 (Jul. 2023), 5322–5328. DOI:https://doi.org/10.29303/jppipa.v9i7.3600.