http://e-repository.perpus.iainsalatiga.ac.id/9968
http://e-repository.perpus.iainsalatiga.ac.id/9739
http://e-repository.perpus.iainsalatiga.ac.id/10298
http://e-repository.perpus.iainsalatiga.ac.id/10208
http://e-repository.perpus.iainsalatiga.ac.id/11315
http://e-repository.perpus.iainsalatiga.ac.id/10755