http://e-repository.perpus.iainsalatiga.ac.id/11550
http://e-repository.perpus.iainsalatiga.ac.id/10783
http://e-repository.perpus.iainsalatiga.ac.id/11439
http://e-repository.perpus.iainsalatiga.ac.id/10728
http://e-repository.perpus.iainsalatiga.ac.id/10550
http://e-repository.perpus.iainsalatiga.ac.id/10179