http://e-repository.perpus.iainsalatiga.ac.id/17706
http://e-repository.perpus.iainsalatiga.ac.id/18398
http://e-repository.perpus.iainsalatiga.ac.id/18397
http://e-repository.perpus.iainsalatiga.ac.id/18531
http://e-repository.perpus.iainsalatiga.ac.id/18126
http://e-repository.perpus.iainsalatiga.ac.id/9704