http://e-repository.perpus.iainsalatiga.ac.id/19516
http://e-repository.perpus.iainsalatiga.ac.id/20060
http://e-repository.perpus.iainsalatiga.ac.id/20057
http://e-repository.perpus.iainsalatiga.ac.id/19988
http://e-repository.perpus.iainsalatiga.ac.id/20073
http://e-repository.perpus.iainsalatiga.ac.id/20374