http://e-repository.perpus.iainsalatiga.ac.id/12057
http://e-repository.perpus.iainsalatiga.ac.id/13365
http://e-repository.perpus.iainsalatiga.ac.id/13491
http://e-repository.perpus.iainsalatiga.ac.id/13623
http://e-repository.perpus.iainsalatiga.ac.id/13559
http://e-repository.perpus.iainsalatiga.ac.id/13782