http://e-repository.perpus.iainsalatiga.ac.id/9671
http://e-repository.perpus.iainsalatiga.ac.id/9542
http://e-repository.perpus.iainsalatiga.ac.id/9413
http://e-repository.perpus.iainsalatiga.ac.id/9206
http://e-repository.perpus.iainsalatiga.ac.id/9218
http://e-repository.perpus.iainsalatiga.ac.id/9157