http://e-repository.perpus.iainsalatiga.ac.id/13111
http://e-repository.perpus.iainsalatiga.ac.id/13393
http://e-repository.perpus.iainsalatiga.ac.id/13198
http://e-repository.perpus.iainsalatiga.ac.id/12952
http://e-repository.perpus.iainsalatiga.ac.id/13057
http://e-repository.perpus.iainsalatiga.ac.id/13110