http://e-repository.perpus.iainsalatiga.ac.id/17836
http://e-repository.perpus.iainsalatiga.ac.id/17287
http://e-repository.perpus.iainsalatiga.ac.id/17987
http://e-repository.perpus.iainsalatiga.ac.id/18659
http://e-repository.perpus.iainsalatiga.ac.id/18570
http://e-repository.perpus.iainsalatiga.ac.id/18410