http://e-repository.perpus.iainsalatiga.ac.id/9576
http://e-repository.perpus.iainsalatiga.ac.id/10897
http://e-repository.perpus.iainsalatiga.ac.id/11455
http://e-repository.perpus.iainsalatiga.ac.id/10872
http://e-repository.perpus.iainsalatiga.ac.id/11884
http://e-repository.perpus.iainsalatiga.ac.id/12016