HTTP://E-REPOSITORY.PERPUS.IAINSALATIGA.AC.ID/8422
http://e-repository.perpus.iainsalatiga.ac.id/9636
http://e-repository.perpus.iainsalatiga.ac.id/9256
http://e-repository.perpus.iainsalatiga.ac.id/9450
http://e-repository.perpus.iainsalatiga.ac.id/9505