http://e-repository.perpus.iainsalatiga.ac.id/10663
http://e-repository.perpus.iainsalatiga.ac.id/10686
http://e-repository.perpus.iainsalatiga.ac.id/10691
http://e-repository.perpus.iainsalatiga.ac.id/13246
http://e-repository.perpus.iainsalatiga.ac.id/13258
http://e-repository.perpus.iainsalatiga.ac.id/13273