http://e-repository.perpus.iainsalatiga.ac.id/13676
http://e-repository.perpus.iainsalatiga.ac.id/13668
http://e-repository.perpus.iainsalatiga.ac.id/13690
http://e-repository.perpus.iainsalatiga.ac.id/13781
http://e-repository.perpus.iainsalatiga.ac.id/14803
http://e-repository.perpus.iainsalatiga.ac.id/14781