Nurpiana, Alfina, and Arie Wahyu Wijayanto. “Comparison of Models for Classification of Learning Achievement of Middle School Students in Indonesia in 2019 Using the Support Vector Machine Algorithm, Conditional Inference Trees, and Random Forest”. Jurnal Matematika, Statistika Dan Komputasi, vol. 18, no. 3, May 2022, pp. 447-55, doi:10.20956/j.v18i3.19208.