http://e-repository.perpus.iainsalatiga.ac.id/9269
http://e-repository.perpus.iainsalatiga.ac.id/9166
http://e-repository.perpus.iainsalatiga.ac.id/9172
http://e-repository.perpus.iainsalatiga.ac.id/9351
http://e-repository.perpus.iainsalatiga.ac.id/9475
http://e-repository.perpus.iainsalatiga.ac.id/9622