http://e-repository.perpus.iainsalatiga.ac.id/9031
http://e-repository.perpus.iainsalatiga.ac.id/9209
http://e-repository.perpus.iainsalatiga.ac.id/9109
http://e-repository.perpus.iainsalatiga.ac.id/10035
http://e-repository.perpus.iainsalatiga.ac.id/10448
http://e-repository.perpus.iainsalatiga.ac.id/10985