http://e-repository.perpus.iainsalatiga.ac.id/10908
http://e-repository.perpus.iainsalatiga.ac.id/13155
http://e-repository.perpus.iainsalatiga.ac.id/13071
http://e-repository.perpus.iainsalatiga.ac.id/13146
http://e-repository.perpus.iainsalatiga.ac.id/13030
http://e-repository.perpus.iainsalatiga.ac.id/13205