http://e-repository.perpus.iainsalatiga.ac.id/11569
http://e-repository.perpus.iainsalatiga.ac.id/11551
http://e-repository.perpus.iainsalatiga.ac.id/11486
http://e-repository.perpus.iainsalatiga.ac.id/10436
http://e-repository.perpus.iainsalatiga.ac.id/10717
http://e-repository.perpus.iainsalatiga.ac.id/10632