http://e-repository.perpus.iainsalatiga.ac.id/19195
http://e-repository.perpus.iainsalatiga.ac.id/19459
http://e-repository.perpus.iainsalatiga.ac.id/19446
http://e-repository.perpus.iainsalatiga.ac.id/17765
http://e-repository.perpus.iainsalatiga.ac.id/19262
http://e-repository.perpus.iainsalatiga.ac.id/19292