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Download full textWintari Ningsih; Baskoro Adi Prayitno; Slamet Santosa – Journal of Biological Education Indonesia (Jurnal Pendidikan Biologi Indonesia), 2023
This study aims to test the effectiveness of using environment-oriented e-books based on Problem-Based Learning (PBL) to empower problem-solving skills. The research design used is a Nonrandomized Control Group, Pretest-Posttest Design. The study used a quasi-experimental method with a 2 x 2 factorial design. The research sample was 70, grade X…
Descriptors: Environmental Education, Electronic Books, Instructional Materials, Instructional Effectiveness
