Rahmawati, Eka Sri. “The Effectiveness of Using Learning Models P-O-E (Predict, Observe, Explain) Against Science Process Skills for Class VIII Junior High School Students”. Proceedings of The ICECRS 80 (August 27, 2020). Accessed May 17, 2024. https://icecrs.umsida.ac.id/index.php/icecrs/article/view/538.