http://e-repository.perpus.iainsalatiga.ac.id/11883
http://e-repository.perpus.iainsalatiga.ac.id/12340
http://e-repository.perpus.iainsalatiga.ac.id/12266
http://e-repository.perpus.iainsalatiga.ac.id/11583
http://e-repository.perpus.iainsalatiga.ac.id/12540
http://e-repository.perpus.iainsalatiga.ac.id/12730