http://e-repository.perpus.iainsalatiga.ac.id/12002
http://e-repository.perpus.iainsalatiga.ac.id/12672
di k2
http://e-repository.perpus.iainsalatiga.ac.id/13138
http://e-repository.perpus.iainsalatiga.ac.id/13439
http://e-repository.perpus.iainsalatiga.ac.id/13690