http://e-repository.perpus.iainsalatiga.ac.id/12492
HTTP://E-REPOSITORY.PERPUS.IAINSALATIGA.AC.ID/8809
http://e-repository.perpus.iainsalatiga.ac.id/9838
http://e-repository.perpus.iainsalatiga.ac.id/9326
http://e-repository.perpus.iainsalatiga.ac.id/10011