http://e-repository.perpus.iainsalatiga.ac.id/10088
http://e-repository.perpus.iainsalatiga.ac.id/10079
http://e-repository.perpus.iainsalatiga.ac.id/10298
http://e-repository.perpus.iainsalatiga.ac.id/10179
http://e-repository.perpus.iainsalatiga.ac.id/9257
http://e-repository.perpus.iainsalatiga.ac.id/9532