http://e-repository.perpus.iainsalatiga.ac.id/8389
http://e-repository.perpus.iainsalatiga.ac.id/8997
http://e-repository.perpus.iainsalatiga.ac.id/8994
http://e-repository.perpus.iainsalatiga.ac.id/8047
http://e-repository.perpus.iainsalatiga.ac.id/8993