http://e-repository.perpus.iainsalatiga.ac.id/15761
http://e-repository.perpus.iainsalatiga.ac.id/16434
http://e-repository.perpus.iainsalatiga.ac.id/17408
http://e-repository.perpus.iainsalatiga.ac.id/17589
http://e-repository.perpus.iainsalatiga.ac.id/17730
http://e-repository.perpus.iainsalatiga.ac.id/17102