http://e-repository.perpus.iainsalatiga.ac.id/8283
http://e-repository.perpus.iainsalatiga.ac.id/9209
http://e-repository.perpus.iainsalatiga.ac.id/9109
http://e-repository.perpus.iainsalatiga.ac.id/9640
http://e-repository.perpus.iainsalatiga.ac.id/9358
http://e-repository.perpus.iainsalatiga.ac.id/11873