http://e-repository.perpus.iainsalatiga.ac.id/11738
http://e-repository.perpus.iainsalatiga.ac.id/13440
http://e-repository.perpus.iainsalatiga.ac.id/17717
http://e-repository.perpus.iainsalatiga.ac.id/17206
http://e-repository.perpus.iainsalatiga.ac.id/17290
http://e-repository.perpus.iainsalatiga.ac.id/17672