http://e-repository.perpus.iainsalatiga.ac.id/14612
http://e-repository.perpus.iainsalatiga.ac.id/14619
http://e-repository.perpus.iainsalatiga.ac.id/13365
http://e-repository.perpus.iainsalatiga.ac.id/13583
http://e-repository.perpus.iainsalatiga.ac.id/13643
http://e-repository.perpus.iainsalatiga.ac.id/13915