http://e-repository.perpus.iainsalatiga.ac.id/10475
http://e-repository.perpus.iainsalatiga.ac.id/10323
http://e-repository.perpus.iainsalatiga.ac.id/10740
http://e-repository.perpus.iainsalatiga.ac.id/11877
http://e-repository.perpus.iainsalatiga.ac.id/12358
http://e-repository.perpus.iainsalatiga.ac.id/12289