http://e-repository.perpus.iainsalatiga.ac.id/13411
http://e-repository.perpus.iainsalatiga.ac.id/13642
http://e-repository.perpus.iainsalatiga.ac.id/13760
http://e-repository.perpus.iainsalatiga.ac.id/14652
http://e-repository.perpus.iainsalatiga.ac.id/14528
http://e-repository.perpus.iainsalatiga.ac.id/13930