http://e-repository.perpus.iainsalatiga.ac.id/13147
http://e-repository.perpus.iainsalatiga.ac.id/13111
http://e-repository.perpus.iainsalatiga.ac.id/13205
http://e-repository.perpus.iainsalatiga.ac.id/13155
http://e-repository.perpus.iainsalatiga.ac.id/12258
http://e-repository.perpus.iainsalatiga.ac.id/12977