http://e-repository.perpus.iainsalatiga.ac.id/19292
http://e-repository.perpus.iainsalatiga.ac.id/19195
http://e-repository.perpus.iainsalatiga.ac.id/19359
http://e-repository.perpus.iainsalatiga.ac.id/19169
http://e-repository.perpus.iainsalatiga.ac.id/19043
http://e-repository.perpus.iainsalatiga.ac.id/19189