http://e-repository.perpus.iainsalatiga.ac.id/18310
http://e-repository.perpus.iainsalatiga.ac.id/18259
http://e-repository.perpus.iainsalatiga.ac.id/18246
http://e-repository.perpus.iainsalatiga.ac.id/18698
http://e-repository.perpus.iainsalatiga.ac.id/17492
http://e-repository.perpus.iainsalatiga.ac.id/19979