http://e-repository.perpus.iainsalatiga.ac.id/9988
http://e-repository.perpus.iainsalatiga.ac.id/9926
http://e-repository.perpus.iainsalatiga.ac.id/10924
http://e-repository.perpus.iainsalatiga.ac.id/9952
http://e-repository.perpus.iainsalatiga.ac.id/10068