http://e-repository.perpus.iainsalatiga.ac.id/18053
http://e-repository.perpus.iainsalatiga.ac.id/19036
http://e-repository.perpus.iainsalatiga.ac.id/19010
http://e-repository.perpus.iainsalatiga.ac.id/19169
http://e-repository.perpus.iainsalatiga.ac.id/19166
http://e-repository.perpus.iainsalatiga.ac.id/19082