http://e-repository.perpus.iainsalatiga.ac.id/12062
http://e-repository.perpus.iainsalatiga.ac.id/11661
http://e-repository.perpus.iainsalatiga.ac.id/11972
http://e-repository.perpus.iainsalatiga.ac.id/12055
http://e-repository.perpus.iainsalatiga.ac.id/11898
http://e-repository.perpus.iainsalatiga.ac.id/11842