muhajir, muhammad, Nugraha, J., & Febrian, R. (2019). Perbandingan Rough Set dan Algoritma Apriori untuk Sistem Rekomendasi Perpustakaan. UJMC (Unisda Journal of Mathematics and Computer Science), 4(2), 25 - 31. https://doi.org/https://doi.org/10.52166/ujmc.v4i2.1241