http://e-repository.perpus.iainsalatiga.ac.id/12035
http://e-repository.perpus.iainsalatiga.ac.id/12273
http://e-repository.perpus.iainsalatiga.ac.id/10234
http://e-repository.perpus.iainsalatiga.ac.id/10717
http://e-repository.perpus.iainsalatiga.ac.id/10698
http://e-repository.perpus.iainsalatiga.ac.id/10396