Ningsih, D. , Rusdi, M. and Hariyadi, B. 2018. Pengembangan Lembar Kerja Peserta Didik Berbasis Problem Based Learning-Flipped Classroom untuk Meningkatkan Kemampuan Transformasi Pengetahuan : The Development of Students’ Problem Based Learning-Flipped Classroom Worksheets to Improve Knowledge Transformation Ability . Edu-Sains: Jurnal Pendidikan Matematika dan Ilmu Pengetahuan Alam. 7, 2 (Jul. 2018), 32-40. DOI:https://doi.org/10.22437/jmpmipa.v7i2.8205.