http://e-repository.perpus.iainsalatiga.ac.id/15172
http://e-repository.perpus.iainsalatiga.ac.id/15244
http://e-repository.perpus.iainsalatiga.ac.id/15032
http://e-repository.perpus.iainsalatiga.ac.id/15163
http://e-repository.perpus.iainsalatiga.ac.id/14609
http://e-repository.perpus.iainsalatiga.ac.id/14853