http://e-repository.perpus.iainsalatiga.ac.id/13962
http://e-repository.perpus.iainsalatiga.ac.id/14446
http://e-repository.perpus.iainsalatiga.ac.id/14662
http://e-repository.perpus.iainsalatiga.ac.id/14589
http://e-repository.perpus.iainsalatiga.ac.id/14492
http://e-repository.perpus.iainsalatiga.ac.id/13883