http://e-repository.perpus.iainsalatiga.ac.id/16168
http://e-repository.perpus.iainsalatiga.ac.id/16196
http://e-repository.perpus.iainsalatiga.ac.id/14450
http://e-repository.perpus.iainsalatiga.ac.id/14398
http://e-repository.perpus.iainsalatiga.ac.id/14355
http://e-repository.perpus.iainsalatiga.ac.id/14452