http://e-repository.perpus.iainsalatiga.ac.id/11401
http://e-repository.perpus.iainsalatiga.ac.id/11448
http://e-repository.perpus.iainsalatiga.ac.id/17469
http://e-repository.perpus.iainsalatiga.ac.id/17525
http://e-repository.perpus.iainsalatiga.ac.id/15838
http://e-repository.perpus.iainsalatiga.ac.id/17624