http://e-repository.perpus.iainsalatiga.ac.id/19173
http://e-repository.perpus.iainsalatiga.ac.id/19260
http://e-repository.perpus.iainsalatiga.ac.id/19262
http://e-repository.perpus.iainsalatiga.ac.id/19693
http://e-repository.perpus.iainsalatiga.ac.id/19893
http://e-repository.perpus.iainsalatiga.ac.id/19990