Kharis, M., Laksono, K., Suhartono, Ridwan, A., Mintowati, & Yuniseffendri. (2022). Tokenization and Lemmatization on German Learning Textbook Level A1 of CEFR Standard. Journal of Higher Education Theory and Practice, 22(1). https://doi.org/10.33423/jhetp.v22i1.4971