Triyanto, S. A., Wahidin, W., Hartania, N., Solihat, A., & Sutrisno, S. (2022). Blended-problem based learning with integrated social media-based learning media in improving students’ critical thinking skills. Biosfer: Jurnal Pendidikan Biologi, 15(2), 242–254. https://doi.org/10.21009/biosferjpb.25792