http://e-repository.perpus.iainsalatiga.ac.id/17466
http://e-repository.perpus.iainsalatiga.ac.id/18719
http://e-repository.perpus.iainsalatiga.ac.id/17869
http://e-repository.perpus.iainsalatiga.ac.id/18389
http://e-repository.perpus.iainsalatiga.ac.id/18106
http://e-repository.perpus.iainsalatiga.ac.id/18971