http://e-repository.perpus.iainsalatiga.ac.id/10421
http://e-repository.perpus.iainsalatiga.ac.id/10444
http://e-repository.perpus.iainsalatiga.ac.id/10379
http://e-repository.perpus.iainsalatiga.ac.id/10415
http://e-repository.perpus.iainsalatiga.ac.id/12215
http://e-repository.perpus.iainsalatiga.ac.id/12534