http://e-repository.perpus.iainsalatiga.ac.id/9025
http://e-repository.perpus.iainsalatiga.ac.id/8680
http://e-repository.perpus.iainsalatiga.ac.id/8391
http://e-repository.perpus.iainsalatiga.ac.id/8252
http://e-repository.perpus.iainsalatiga.ac.id/8584