http://e-repository.perpus.iainsalatiga.ac.id/18345
http://e-repository.perpus.iainsalatiga.ac.id/18382
http://e-repository.perpus.iainsalatiga.ac.id/19196
http://e-repository.perpus.iainsalatiga.ac.id/19486
http://e-repository.perpus.iainsalatiga.ac.id/19179
http://e-repository.perpus.iainsalatiga.ac.id/19254