http://e-repository.perpus.iainsalatiga.ac.id/17219
http://e-repository.perpus.iainsalatiga.ac.id/18809
http://e-repository.perpus.iainsalatiga.ac.id/19253
http://e-repository.perpus.iainsalatiga.ac.id/18949
http://e-repository.perpus.iainsalatiga.ac.id/19194
http://e-repository.perpus.iainsalatiga.ac.id/19437