http://e-repository.perpus.iainsalatiga.ac.id/17406
http://e-repository.perpus.iainsalatiga.ac.id/17386
http://e-repository.perpus.iainsalatiga.ac.id/9069
http://e-repository.perpus.iainsalatiga.ac.id/10074
http://e-repository.perpus.iainsalatiga.ac.id/9097
http://e-repository.perpus.iainsalatiga.ac.id/9553