http://e-repository.perpus.iainsalatiga.ac.id/15271
http://e-repository.perpus.iainsalatiga.ac.id/14476
http://e-repository.perpus.iainsalatiga.ac.id/14307
http://e-repository.perpus.iainsalatiga.ac.id/11908
http://e-repository.perpus.iainsalatiga.ac.id/9685
http://e-repository.perpus.iainsalatiga.ac.id/12059