http://e-repository.perpus.iainsalatiga.ac.id/10422
http://e-repository.perpus.iainsalatiga.ac.id/10196
http://e-repository.perpus.iainsalatiga.ac.id/10608
http://e-repository.perpus.iainsalatiga.ac.id/10233
http://e-repository.perpus.iainsalatiga.ac.id/10252
http://e-repository.perpus.iainsalatiga.ac.id/10715