http://e-repository.perpus.iainsalatiga.ac.id/9584
http://e-repository.perpus.iainsalatiga.ac.id/9286
http://e-repository.perpus.iainsalatiga.ac.id/9425
http://e-repository.perpus.iainsalatiga.ac.id/9378
http://e-repository.perpus.iainsalatiga.ac.id/9246
http://e-repository.perpus.iainsalatiga.ac.id/9326