http://e-repository.perpus.iainsalatiga.ac.id/17905
http://e-repository.perpus.iainsalatiga.ac.id/19929
http://e-repository.perpus.iainsalatiga.ac.id/19777
http://e-repository.perpus.iainsalatiga.ac.id/19999
http://e-repository.perpus.iainsalatiga.ac.id/20042
http://e-repository.perpus.iainsalatiga.ac.id/19892