http://e-repository.perpus.iainsalatiga.ac.id/17554
http://e-repository.perpus.iainsalatiga.ac.id/17539
http://e-repository.perpus.iainsalatiga.ac.id/17562
http://e-repository.perpus.iainsalatiga.ac.id/17492
http://e-repository.perpus.iainsalatiga.ac.id/19081
http://e-repository.perpus.iainsalatiga.ac.id/18813