http://e-repository.perpus.iainsalatiga.ac.id/17463
http://e-repository.perpus.uinsalatiga.ac.id/id/eprint/17149
http://e-repository.perpus.uinsalatiga.ac.id/id/eprint/17249
http://e-repository.perpus.iainsalatiga.ac.id/19053
http://e-repository.perpus.iainsalatiga.ac.id/12176