http://e-repository.perpus.iainsalatiga.ac.id/9013
http://e-repository.perpus.iainsalatiga.ac.id/9057
http://e-repository.perpus.iainsalatiga.ac.id/9151
http://e-repository.perpus.iainsalatiga.ac.id/9155
http://e-repository.perpus.iainsalatiga.ac.id/9259