http://e-repository.perpus.iainsalatiga.ac.id/19125
http://e-repository.perpus.iainsalatiga.ac.id/19238
http://e-repository.perpus.iainsalatiga.ac.id/19463
http://e-repository.perpus.iainsalatiga.ac.id/19028
http://e-repository.perpus.iainsalatiga.ac.id/18578
http://e-repository.perpus.iainsalatiga.ac.id/19387
http://e-repository.perpus.iainsalatiga.ac.id/19160