Perwira, R.I., Yuwono, B., Siswoyo, R.I.P., Liantoni, F. and Himawan, H. 2022. Effect of information gain on document classification using k-nearest neighbor. Register: Jurnal Ilmiah Teknologi Sistem Informasi. 8, 1 (Jan. 2022), 50–57. DOI:https://doi.org/10.26594/register.v8i1.2397.