http://e-repository.perpus.iainsalatiga.ac.id/9370
http://e-repository.perpus.iainsalatiga.ac.id/9841
http://e-repository.perpus.iainsalatiga.ac.id/9808
http://e-repository.perpus.iainsalatiga.ac.id/9685
http://e-repository.perpus.iainsalatiga.ac.id/9557
http://e-repository.perpus.iainsalatiga.ac.id/9580