http://e-repository.perpus.iainsalatiga.ac.id/14982
http://e-repository.perpus.iainsalatiga.ac.id/13824
http://e-repository.perpus.iainsalatiga.ac.id/15312
http://e-repository.perpus.iainsalatiga.ac.id/15053
http://e-repository.perpus.iainsalatiga.ac.id/15076