Septiani, Dilla Eka, Sri Wardhani, and Marlina Ummas Genisa. 2025. “Effectiveness of Electronic Student Worksheets (LKPD) Problem-Based Learning (PBL) Based on Social Scientific Problems (SSI) in Improving Problem Solving Skills”. Jurnal Penelitian Pendidikan IPA 11 (1):923-31. https://doi.org/10.29303/jppipa.v11i1.9636.