http://e-repository.perpus.iainsalatiga.ac.id/12314
http://e-repository.perpus.iainsalatiga.ac.id/12111
http://e-repository.perpus.iainsalatiga.ac.id/12319
http://e-repository.perpus.iainsalatiga.ac.id/11862
http://e-repository.perpus.iainsalatiga.ac.id/12041
http://e-repository.perpus.iainsalatiga.ac.id/11748