http://e-repository.perpus.iainsalatiga.ac.id/12977
http://e-repository.perpus.iainsalatiga.ac.id/13071
http://e-repository.perpus.iainsalatiga.ac.id/13030
http://e-repository.perpus.iainsalatiga.ac.id/13146
http://e-repository.perpus.iainsalatiga.ac.id/13828
http://e-repository.perpus.iainsalatiga.ac.id/13411