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