http://e-repository.perpus.iainsalatiga.ac.id/10717
http://e-repository.perpus.iainsalatiga.ac.id/10698
http://e-repository.perpus.iainsalatiga.ac.id/13193
http://e-repository.perpus.iainsalatiga.ac.id/13267
http://e-repository.perpus.iainsalatiga.ac.id/13246
http://e-repository.perpus.iainsalatiga.ac.id/13258