http://e-repository.perpus.iainsalatiga.ac.id/9231
http://e-repository.perpus.iainsalatiga.ac.id/9334
http://e-repository.perpus.iainsalatiga.ac.id/9635
http://e-repository.perpus.iainsalatiga.ac.id/9828
http://e-repository.perpus.iainsalatiga.ac.id/9934
http://e-repository.perpus.iainsalatiga.ac.id/9532