http://e-repository.perpus.iainsalatiga.ac.id/19181
http://e-repository.perpus.iainsalatiga.ac.id/19089
http://e-repository.perpus.iainsalatiga.ac.id/18467
http://e-repository.perpus.iainsalatiga.ac.id/19034
http://e-repository.perpus.iainsalatiga.ac.id/18992
http://e-repository.perpus.iainsalatiga.ac.id/18909