Hardiyani, S. et al. 2025. Analysis of Science Process Skills of Junior High School Students on The Concept of Elements, Compounds, and Mixtures Based on Education for Sustainable Development. Jurnal Penelitian Pendidikan IPA. 11, 3 (Mar. 2025), 660–664. DOI:https://doi.org/10.29303/jppipa.v11i3.10352.