http://e-repository.perpus.iainsalatiga.ac.id/11698
http://e-repository.perpus.iainsalatiga.ac.id/11811
http://e-repository.perpus.iainsalatiga.ac.id/12126
http://e-repository.perpus.iainsalatiga.ac.id/11533
http://e-repository.perpus.iainsalatiga.ac.id/12021