http://e-repository.perpus.iainsalatiga.ac.id/17640
http://e-repository.perpus.iainsalatiga.ac.id/17689
http://e-repository.perpus.iainsalatiga.ac.id/18010
http://e-repository.perpus.iainsalatiga.ac.id/18871
http://e-repository.perpus.iainsalatiga.ac.id/18674
http://e-repository.perpus.iainsalatiga.ac.id/18163