Damayanti, L., Emaliana, I. and Kusumawardani, I.N. 2021. Textbook Evaluation According to Outcome-Based Education (OBE) Principles. OKARA: Jurnal Bahasa dan Sastra. 15, 1 (May 2021), 143-161. DOI:https://doi.org/10.19105/ojbs.v15i1.3778.