http://e-repository.perpus.iainsalatiga.ac.id/18231
http://e-repository.perpus.iainsalatiga.ac.id/18415
http://e-repository.perpus.iainsalatiga.ac.id/18783
http://e-repository.perpus.iainsalatiga.ac.id/18246
http://e-repository.perpus.iainsalatiga.ac.id/18656
http://e-repository.perpus.iainsalatiga.ac.id/18850