http://e-repository.perpus.iainsalatiga.ac.id/12221
http://e-repository.perpus.iainsalatiga.ac.id/12273
http://e-repository.perpus.iainsalatiga.ac.id/13774
http://e-repository.perpus.iainsalatiga.ac.id/13915
http://e-repository.perpus.iainsalatiga.ac.id/13365
http://e-repository.perpus.iainsalatiga.ac.id/13205