http://e-repository.perpus.iainsalatiga.ac.id/14330
http://e-repository.perpus.iainsalatiga.ac.id/14332
http://e-repository.perpus.iainsalatiga.ac.id/14629
http://e-repository.perpus.iainsalatiga.ac.id/13981
http://e-repository.perpus.iainsalatiga.ac.id/14764
http://e-repository.perpus.iainsalatiga.ac.id/14679