“Peningkatan Cognitive Engagement Siswa Dalam Pembelajaran Dengan Pendekatan POE (predict-Observe-Explain) Dan Multimedia Interaktif Yang Dikembangkan Sendiri: Improvement of Students’ Cognitive Engagement in Teaching and Learning Process Using POE (Predict-Observe-Explain) Approach and Self-Developed Interactive Multimedia”. Edu-Sains: Jurnal Pendidikan Matematika Dan Ilmu Pengetahuan Alam, vol. 7, no. 2, July 2018, pp. 21-31, doi:10.22437/jmpmipa.v7i2.8204.