http://e-repository.perpus.iainsalatiga.ac.id/11698
http://e-repository.perpus.iainsalatiga.ac.id/11497
http://e-repository.perpus.iainsalatiga.ac.id/12006
http://e-repository.perpus.iainsalatiga.ac.id/10830
http://e-repository.perpus.iainsalatiga.ac.id/10773
http://e-repository.perpus.iainsalatiga.ac.id/10884