Nurfadilah, N., Asra, R. ., & Syaiful, S. (2020). 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), 143-152. https://doi.org/10.22437/bio.v7i2.12065 (Original work published June 8, 2021)