http://e-repository.perpus.iainsalatiga.ac.id/8416
http://e-repository.perpus.iainsalatiga.ac.id/8463
http://e-repository.perpus.iainsalatiga.ac.id/9352
http://e-repository.perpus.iainsalatiga.ac.id/9317
http://e-repository.perpus.iainsalatiga.ac.id/9192
http://e-repository.perpus.iainsalatiga.ac.id/9209