http://e-repository.perpus.iainsalatiga.ac.id/9163
http://e-repository.perpus.iainsalatiga.ac.id/10142
http://e-repository.perpus.iainsalatiga.ac.id/9443
http://e-repository.perpus.iainsalatiga.ac.id/9252
http://e-repository.perpus.iainsalatiga.ac.id/10813
http://e-repository.perpus.iainsalatiga.ac.id/11243