http://e-repository.perpus.iainsalatiga.ac.id/12263
http://e-repository.perpus.iainsalatiga.ac.id/12261
http://e-repository.perpus.iainsalatiga.ac.id/12108
http://e-repository.perpus.iainsalatiga.ac.id/11832
http://e-repository.perpus.iainsalatiga.ac.id/11223
http://e-repository.perpus.iainsalatiga.ac.id/10904