http://e-repository.perpus.iainsalatiga.ac.id/17501
http://e-repository.perpus.iainsalatiga.ac.id/17750
http://e-repository.perpus.iainsalatiga.ac.id/17749
http://e-repository.perpus.iainsalatiga.ac.id/17662
http://e-repository.perpus.iainsalatiga.ac.id/17836
http://e-repository.perpus.uinsalatiga.ac.id/17890/