Nurfadilah, Revis Asra and Syaiful 2021. Pengaruh Model Pembelajaran Predict Observe Explain dan Motivasi terhadap Higher Order Thinking Skills Siswa : (The Effect of Predict Observe Explain Learning Model and Motivation on Students’ Higher Order Thinking Skills). BIODIK. 7, 2 (Jun. 2021). DOI:https://doi.org/10.22437/bio.v7i2.12065.