http://e-repository.perpus.iainsalatiga.ac.id/12904
http://e-repository.perpus.iainsalatiga.ac.id/12289
http://e-repository.perpus.iainsalatiga.ac.id/12209
http://e-repository.perpus.iainsalatiga.ac.id/11991
http://e-repository.perpus.iainsalatiga.ac.id/12334
http://e-repository.perpus.iainsalatiga.ac.id/12091