http://e-repository.perpus.iainsalatiga.ac.id/10614
http://e-repository.perpus.iainsalatiga.ac.id/10887
http://e-repository.perpus.iainsalatiga.ac.id/10984
http://e-repository.perpus.iainsalatiga.ac.id/10917
http://e-repository.perpus.iainsalatiga.ac.id/10875
http://e-repository.perpus.iainsalatiga.ac.id/10676/