Wahyuni, S.; Rahmawati, S.; Sudibya, E.; Lestari, J. W.; W. D.Therik , J.; M Pekei, I. F. The Urgency of Understanding the Definition and Category of Teaching Materials As Knowledge for Biology Education Students. IJSELES 2024, 1 (1), 1-7. https://doi.org/10.71131/whtmf855.