http://e-repository.perpus.iainsalatiga.ac.id/8467
http://e-repository.perpus.iainsalatiga.ac.id/8562
http://e-repository.perpus.iainsalatiga.ac.id/8434
http://e-repository.perpus.iainsalatiga.ac.id/8461
http://e-repository.perpus.iainsalatiga.ac.id/8234
http://e-repository.perpus.iainsalatiga.ac.id/8091/