http://e-repository.perpus.iainsalatiga.ac.id/8834
http://e-repository.perpus.iainsalatiga.ac.id/9057
http://e-repository.perpus.iainsalatiga.ac.id/9195
http://e-repository.perpus.iainsalatiga.ac.id/9654
http://e-repository.perpus.iainsalatiga.ac.id/9679