http://e-repository.perpus.iainsalatiga.ac.id/11799
http://e-repository.perpus.iainsalatiga.ac.id/12359
http://e-repository.perpus.iainsalatiga.ac.id/12516
http://e-repository.perpus.iainsalatiga.ac.id/12335
http://e-repository.perpus.iainsalatiga.ac.id/13201
http://e-repository.perpus.iainsalatiga.ac.id/13196