http://e-repository.perpus.iainsalatiga.ac.id/10285
http://e-repository.perpus.iainsalatiga.ac.id/10922
http://e-repository.perpus.iainsalatiga.ac.id/11315
http://e-repository.perpus.iainsalatiga.ac.id/11035
http://e-repository.perpus.iainsalatiga.ac.id/11065