http://e-repository.perpus.iainsalatiga.ac.id/19487
http://e-repository.perpus.iainsalatiga.ac.id/18346
http://e-repository.perpus.iainsalatiga.ac.id/19195
http://e-repository.perpus.iainsalatiga.ac.id/18198
http://e-repository.perpus.iainsalatiga.ac.id/18498
http://e-repository.perpus.iainsalatiga.ac.id/18705