http://e-repository.perpus.iainsalatiga.ac.id/11269
http://e-repository.perpus.iainsalatiga.ac.id/11981
http://e-repository.perpus.iainsalatiga.ac.id/11563
http://e-repository.perpus.iainsalatiga.ac.id/12882
http://e-repository.perpus.iainsalatiga.ac.id/13380
http://e-repository.perpus.iainsalatiga.ac.id/14533