http://e-repository.perpus.iainsalatiga.ac.id/9209
http://e-repository.perpus.iainsalatiga.ac.id/9256
http://e-repository.perpus.iainsalatiga.ac.id/9953
http://e-repository.perpus.iainsalatiga.ac.id/9450
http://e-repository.perpus.iainsalatiga.ac.id/10069
http://e-repository.perpus.iainsalatiga.ac.id/9505