http://e-repository.perpus.iainsalatiga.ac.id/7969/
http://e-repository.perpus.iainsalatiga.ac.id/8189/
http://e-repository.perpus.iainsalatiga.ac.id/7903
http://e-repository.perpus.iainsalatiga.ac.id/8455
http://e-repository.perpus.iainsalatiga.ac.id/8391
http://e-repository.perpus.iainsalatiga.ac.id/8184/
http://e-repository.perpus.iainsalatiga.ac.id/8313