http://e-repository.perpus.iainsalatiga.ac.id/10944
http://e-repository.perpus.iainsalatiga.ac.id/11843
http://e-repository.perpus.iainsalatiga.ac.id/14450
http://e-repository.perpus.iainsalatiga.ac.id/14476
http://e-repository.perpus.iainsalatiga.ac.id/17667
http://e-repository.perpus.iainsalatiga.ac.id/14311