HTTP://E-REPOSITORY.PERPUS.IAINSALATIGA.AC.ID/8422
http://e-repository.perpus.iainsalatiga.ac.id/9166
http://e-repository.perpus.iainsalatiga.ac.id/9172
http://e-repository.perpus.iainsalatiga.ac.id/9269
http://e-repository.perpus.iainsalatiga.ac.id/9219