Rahmawati, E. S. . The Effectiveness of Using Learning Models P-O-E (Predict, Observe, Explain) Against Science Process Skills for Class VIII Junior High School Students: Efektivitas Penggunaan Model Pembelajaran P-O-E (Predict, Observe, Explain) Terhadap Keterampilan Proses Sains Siswa Kelas VIII SMP. icecrs 2020, 8.